C U 实验，试验 trial made in order to learn sth or prove the truth of an idea

　attempt the ～ of　试图对…进行试验，对…进行尝试
　begin an ～　开始实验〔试验〕
　call off the ～　取消实验
　carry out an ～　进行实验，做实验
　conduct an ～　指导实验
　design an ～　设计试验
　perform an ～　进行一次实验
　try an ～　做实验
　biological ～　生物实验
　careful ～　仔细的实验
　chemical ～　化学实验
　curious ～　好奇的实验
　dangerous ～　危险的实验
　difficult ～　难做的实验
　easy ～　容易的实验
　interesting ～　有趣的实验
　new ～　新的试验
　practical ～　实际试验
　scientific ～　科学实验
　valuable ～　有价值的实验〔试验〕
　various ～s　各种试验〔实验〕
　during the ～　在试验中
　～ in physics　物理实验
　～ with new teaching methods　新教学方法的试验

　An experiment was carried out to check up on the reliability of certain criteria.　进行了一项实验以检查某些标准的可靠性。
　He argued that the experiment could be done in another way.　他论证说这项实验可以换一种方法进行。
　Some experiments are difficult while others are easy.　有些实验是难的，而其他实验是容易的。
　His experiments have laid a solid basis for further research.　他的实验为进一步研究打下了坚实的基础。
　We have just tried an experiment in chemistry.　我们刚才试做了一个化学实验。
　We have never doubted the success of our experiment.　我们的实验会成功，对于这一点我们从未怀疑过。
　His opportunities for experiment were naturally limited in these months.　供他试验的机会自然只限于这些月份。
　We have never shown our disappointment at the failure in the experiment.　我们从未对实验失败表示灰心。
　Fred was employed by way of experiment.　费雷特是作为试用而被雇用的。
　They began a series of experiments in high explosives.　他们开始做一系列烈性炸药的试验。
　If you want to gain knowledge, you must take advantage of the experiment.　你要想获得知识，你就得利用这个实验。
　The results of the experiment were not interesting enough to be published.　要公布这个实验结果是不足以令人发生兴趣的。
　The doctor made an experiment on himself.　那医生在自己身上做试验。
　Both students have made a good few experiments on electricity.　这两个学生都做了不少电学实验。
　He had his experiment report all written out neatly.　他请人把实验报告写得清清楚楚。

 ♣ by experiment
　用实验；从试验中　with experiment; from experiment
　We decided the question by experiment.　我们用实验解决了那个问题。
　Scientists test out theories by experiment.　科学家用实验来检验理论。
　Some people learn by experiment and others by experience.　有些人是从试验中学习，而其他人是从经验中学习。
 ♣ carry out the experiment
　进行试验　do an experiment
　I was chosen to carry out the experiment.　选我去做这个实验。
　If you insist on carrying out this mad experiment, I won't answer for the consequences.　如果你坚持要做这种荒唐的试验，后果我概不负责。
 ♣ do〔make〕 an experiment
　做实验　make experiment
　We should like to do another experiment.　我们倒是很想再做一个实验。
　They all made a quantity of experiments on electricity yesterday.　他们昨天都做了一些电学实验。
　In making scientific experiments, one should not be cast down by temporary setbacks.　进行科学实验时，不应因为暂时的挫折就垂头丧气。
 ♣ perform an experiment
　允诺去做一次实验　promise to do an experiment
　Only after they had performed hundreds of experiments did they succeed in solving the problem.　只是在做了几百次实验之后，他们才把这一问题解决了。

 ♣ experiment, test
　两者均可表示“试验”。其区别在于：experiment指发现未知事物或为认识某事物而进行的试验；test则指按规定的标准，在可控的条件下，对事物进行彻底地检验。例如：
　He spend much of the time at his disposal on experiments for technical innovations.　他把自己能支配的时间都花在搞技术革新上了。
　Tests were carried out on new planes.　对这种新飞机进行了数次试验。
 ♣ 下面两个短语意思不同：

　实验室里每天都在做实验。
　［误］ Experiment is carried out daily in the laboratory.
　［正］ Experiments are carried out daily in the laboratory.
　［析］ 表示具体的“实验”时， experiment通常用复数，不用单数。

　vi.　做试验；试验 make experiments; try to find out

　～ in　做…的实验
　～ on〔upon〕　在…上做实验
　～ with　以…做试验

　My wife experiments on me before she serves a new dish to our guests.　我妻子在请客人吃她烧的一种新菜肴以前，总是先让我尝尝。

 ♣ experiment in　(v.+prep.)
　做…的实验　make an experiment of sth as its subject
　He experimented in painting at home.　他在家中试着作画。
　We experimented in putting oil and water together, and we saw that they did not mix.　我们把油和水放在一起做实验，结果看到它们不相融合。
 ♣ experiment on〔upon〕　(v.+prep.)
　在…上做实验　make an experiment with sth as its subject
　Why are you experimenting upon the students in this particular class?　你为什么单单要拿这个班的学生做试验呢?
　Many people disapprove of scientists who experiment on animals.　许多人不赞成科学家在动物身上做试验。
 ♣ experiment with　(v.+prep.)
　以…做试验　make an experiment with sth as its means
　Is he any good at gardening?We might experiment with him.　他擅长园艺吗?我们可以试试他。
　Scientists experiment with rats in order to discover facts about human behaviour.　科学家为了发现有关人的行为情况用老鼠进行实验。
　She is experimenting with different typewriters to see which one suits her best.　她正在试用各种不同的打字机，看哪一种最适合。
　That man is experimenting with dyes to get the colour he wants.　那个人正试验各种染料以获得他想要的颜色。
　She experimented with different kinds of face-cream before she found one she liked.　在她挑选出她所喜欢的面霜之前，她试用过多种。

 ♣ experiment, experience, suffer, sustain, undergo
　参见experience条。

　他最近在对猴子做实验时得出了一些有趣的发现。
　［误］ He made several discoveries when he experimented a monkey recently.
　［正］ He made several discoveries when he experimented on a monkey recently.
　［析］ experiment用作动词时是不及物动词，不能直接接宾语，须用介词。

　［同义词］ n. test
　［词源］　拉丁语experimentum（试验，实验）