The students were into four groups before doing experiments.
学生们在做实验前分成四组。
They provided a place for doing experiments in space and practicing spacecraft docking.
他们提供了一个在太空中做实验和练习航天器对接的地方。
我喜欢做试验。
Results can be obtained by doing experiments.
做实验可以得出结果。
You can't be too careful in doing experiments.
你做实验要特别小心。
We rely on them to be careful in doing experiments.
我们相信他们在作实验的时候是非常谨慎的。
We've been doing experiments 24 hours without a break.
我们的实验已连续不断地进行了二十四小时。
We've been doing experiments 24 hours without a break.
我们的实验已连续不断地进行了二十四个小时。
Students must obey a set of rules when doing experiments.
当学生做实验时，必须遵守一系列规定。
The scientist is doing experiments no one has so far attempted.
科学家们正在作一项迄今为止没人做过的尝试。
Weshould follow the rules of the lab when we are doing experiments.
我们做实验时，就要遵守实验室的规则。
She likes doing experiments, but sometimes she is a little careless.
化学课上喜欢做实验，但有时粗心大意；
Studying and doing experiments comprised practically the whole of his life.
研究和做实验几乎就是他生活的全部内容。
Psychologists are often accused by laymen of doing experiments to prove the obvious.
心理学家经常被外行人指责他们用实验去证明一些显而易见的事情。
All that he enjoys is doing experiments in the lab, and nothing can turn his mind from it.
他的全部兴趣就是在实验室里实验，任何东西都无法转移他的注意力。
She enjoys doing experiments in chemistry labs , but sometimes she needs to be more careful.
她喜欢做实验，但有时不够细心。
Scientists are doing experiments along the Swiss-French border to find the secrets of the universe.
科学家们正在瑞士-法国边境进行实验以揭开宇宙的秘密。
We typically associate the word "science" with a person in a white coat doing experiments in a laboratory.
我们一般认为从事科学研究的人是那些穿着白大褂在实验室里做实验的人。
After class we enjoy all kinds of activities, such as going in for sports, doing experiments or surfing the Internet.
放学后，我们享受各种各样的活动，例如进行运动，做实验或上网。
According to records of students' doing experiments, students of the surveyed class have more ability to operate than other class.
从实验课上学生的实验操作过程及实验报告的记录情况来看，实验班学生的实验操作能力要好于对照班。
Soon people were complaining that the young operator was doing experiments and reading the shop's books in between sending and receiving messages.
不久，人们便提出意见，说这个年轻的报务员总在接发电文的间隙做各种实验，或阅读那家书店里的书籍。
According to this conception, we have already engaged in the process of constructing and arguing for knowledge whenever studying, working and doing experiments.
按照这种观念，我们在学习、工作、实验时都已经参与了知识的构造与辩护过程。
By doing experiments, the compounding ratio of various vegetable and pumpkin juice is set, and the best using amount of sweetening agents and stabilizer is also fixed.
试验确定了各种蔬菜汁和南瓜汁的配比及甜味剂和稳定剂的最佳用量。
In this process the students learned "How the impurity affects the melting point and boiling point" and "the factors affecting the rate of diffusion" by doing experiments themselves.
因此在本单元的学习过程中，学生通过实验的方式对其中的两个知识点“杂质对纯物质熔沸点的影响”和“影响扩散速率的因素”进行了学习。
In this process the students learned "How the impurity affects the melting point and boiling point" and "the factors affecting the rate of diffusion" by doing experiments themselves.
因此在本单元的学习过程中，学生通过实验的方式对其中的两个知识点“杂质对纯物质熔沸点的影响”和“影响扩散速率的因素”进行了学习。
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