Experiment 对比 Investigation 对比 Research 对比 Test 对比 Trial

在英语中何时使用每一个，包含含义、语域和例句。

Experiment

前 1000（非常常见） A2 noun

Investigation

前 2000（常见） B2 noun

Research

前 1000（非常常见） A2 noun

Test

前 1000（非常常见） A1 noun

Trial

前 1000（非常常见） B2 noun

	Experiment	Investigation	Research	Test	Trial
发音	🇬🇧 /["/ɪkˈsperɪmənt/"]/ 🇺🇸 /["/ɪkˈsperɪmənt/"]/	🇬🇧 /["/ɪnˌvestɪˈɡeɪʃn/"]/ 🇺🇸 /["/ɪnˌvestɪˈɡeɪʃn/"]/	🇬🇧 /["/rɪˈsɜːtʃ//ˈriːsɜːtʃ/"]/ 🇺🇸 /["/ˈriːsɜːrtʃ//rɪˈsɜːrtʃ/"]/	🇬🇧 /["/test/"]/ 🇺🇸 /["/test/"]/	🇬🇧 /["/ˈtraɪəl/"]/ 🇺🇸 /["/ˈtraɪəl/"]/
含义	一个用来发现新事物的测试。 A test to find out something new.	深入了解某事以获取更多信息。 Looking into something to find out more about it.	仔细研究某事以了解更多信息的行为。 The act of studying something carefully to learn more about it.	检查知识或技能的考试。 An exam to check knowledge or skills.	测试某事是否好或是否有效。 A test to see if something is good or works well.
例句	The scientist conducted an experiment to test her hypothesis.	The police launched an investigation into the missing person's case.	The research on climate change is very important for our future.	I have a math test tomorrow and I need to study.	The trial lasted for three weeks and involved numerous witnesses.
语域	中性	中性	中性	中性	中性
常见程度	前 1000（非常常见）	前 2000（常见）	前 1000（非常常见）	前 1000（非常常见）	前 1000（非常常见）
CEFR 等级	A2	B2	A2	A1	B2
词性	noun	noun	noun	noun	noun
搭配	animal, field, laboratory, carry out, conduct, do, confirm something, demonstrate something, find something, by experiment, during an/​the experiment, in an/​the experiment, animal, field, laboratory, carry out, conduct, do, confirm something, demonstrate something, find something, by experiment, during an/​the experiment, in an/​the experiment	careful, close, detailed, carry out, conduct, pursue, demonstrate something, reveal something, show something, on investigation, under investigation, investigation into, the subject of an investigation, careful, close, detailed, carry out, conduct, pursue, demonstrate something, reveal something, show something, on investigation, under investigation, investigation into, the subject of an investigation	careful, detailed, in-depth, piece, carry out, conduct, do, demonstrate something, find something, identify something, degree, effort, programme/​program, research in, research into, research on, an area of research, focus your research on something, somebody’s own research	demanding, difficult, gruelling/​grueling, do, sit, take, result, score, conditions, in a/​the test, on a/​the test, test in, exhaustive, extensive, rigorous, number, series, have, undergo, carry out, take place, confirm something, demonstrate something, result, data, statistics, test for, test on, exhaustive, extensive, rigorous, number, series, have, undergo, carry out, take place, confirm something, demonstrate something, result, data, statistics, test for, test on, good, critical, crucial, pose, provide, put somebody/​something to the test, case, the acid test, the litmus test, stand the test of time	fair, unfair, full, come to, face, go on, proceed, take place, begin, attorney, court, judge, at the trial, during the trial, on trial, clinical, experimental, field, carry out, conduct, do, demonstrate something, show something, find something, period, run, data, on trial, under trial, on a trial basis, trial by fire, trial and error, clinical, experimental, field, carry out, conduct, do, demonstrate something, show something, find something, period, run, data, on trial, under trial, on a trial basis, trial by fire, trial and error, real, trial to, trials and tribulations
反义	certainty, fact	disregard, neglect, overlook	ignorance, inactivity	guess, ignore, neglect	certainty, conclusion
常见错误	Confused with 'experience' which refers to knowledge gained over time., Using 'experiments' as a verb instead of the noun form., Saying 'experimenting of' instead of 'experimenting with'.	Confused with 'invest' which means to put money into something., Using 'investigation' as a verb instead of a noun., Mixing up 'investigation' with 'inspector', which refers to a person.	Using 'research' as an uncountable noun instead of a countable noun (e.g., saying 'a research' instead of 'a piece of research'), Confusing 'research' with 'search' (research is more in-depth and analytical), Using 'research' inappropriately in non-academic contexts	Confused with 'testify' — they mean different things., Using 'test' as a countable noun incorrectly., Mixing up 'tested' and 'testing’ in verb forms.	Confused with 'trial' as a verb — remember it's primarily a noun in this context., Using 'trial' to refer to a single test when it often implies multiple evaluations., Mixing up 'trial' with 'trial run' — the latter is specifically about practice or testing something before the final version.
用法说明	通常用于科学领域，但也可以指在日常生活中尝试新想法。在学术写作中更正式。 Used in scientific contexts but can also refer to trying new ideas in everyday life. More formal in academic writing.	在正式场合使用'调查'，比如警察工作或研究。避免在随意对话中使用。 Use 'investigation' in formal contexts, like police work or research. Avoid in casual conversations.	通常用于学术和专业场合。在非正式对话中避免将'research'用作动词，建议用'study'或'look into'。 Used in academic and professional contexts. Avoid using 'research' as a verb in casual conversation; instead, use 'study' or 'look into'.	通常用于教育场合的测验或考试。也可以指科学或现实情况中的试验。非正式场合避免使用，除非用俚语。 Used in educational contexts for quizzes or exams. Can also refer to trials in scientific or real-world situations. Avoid in informal contexts unless using slang.	用于法律场合指代法庭案件，或在一般场合描述产品测试。避免在谈论失败时随意使用。 Used in legal contexts to refer to court cases, or in general contexts to describe testing products. Avoid using in casual conversations when discussing failures.

在真实片段中看它

The Wire › S1 E1

Surveillance teams, DNRs, asset investigation.

Sherlock › S1 E1

The investigation is ongoing,

Stranger Things › S1 E1

and other forms of science investigation.

The Wire › S1 E1

Surveillance teams, DNRs, asset investigation.

Sherlock › S1 E1

The investigation is ongoing,

Investigation

Top Gear › S1 E1

on our own test track.

Test

常见问题：Experiment 对比 Investigation 对比 Research 对比 Test 对比 Trial

Experiment、Investigation、Research、Test和Trial 有什么区别？

Experiment: A test to find out something new. Investigation: Looking into something to find out more about it. Research: The act of studying something carefully to learn more about it. Test: An exam to check knowledge or skills. Trial: A test to see if something is good or works well.

Experiment、Investigation、Research、Test和Trial 的 CEFR 等级相同吗？

在 CEFR 量表上：Experiment: A2, Investigation: B2, Research: A2, Test: A1, Trial: B2。

Experiment、Investigation、Research、Test和Trial 是什么词性？

Experiment: noun, Investigation: noun, Research: noun, Test: noun, Trial: noun.

能各给一个例子吗？

Experiment: The scientist conducted an experiment to test her hypothesis. Investigation: The police launched an investigation into the missing person's case. Research: The research on climate change is very important for our future. Test: I have a math test tomorrow and I need to study. Trial: The trial lasted for three weeks and involved numerous witnesses.

我可以互换使用 Experiment、Investigation、Research、Test和Trial 吗？

不总是。Experiment、Investigation、Research、Test和Trial 相关，有时可以互换，但在语域、常见程度和用法上不同，所以换用可能改变意思或语气。替换前先看看上面的区别。