您要查找的是不是：
- The photocopier needs replacing. 这台影印机需要更换了。
- Robots are replacing people on assembly lines. 机器人逐渐代替了装配线上的工人。
- It took me just on two hours to do this experiment. 做这个实验大约花了两个小时。
- We are doing a chemical experiment. 我们正在做化学实验。
- The results of the experiment varied wildly. 实验结果差异很大。
- It shows that finite element analysis could replace experiments to study the crack width of reinforced concrete beams in a way. 说明有限元分析在某种程度上可以代替试验对钢筋混凝土梁裂缝宽度进行研究分析。
- Some scientists experiment on animals. 有些科学家用动物做试验。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- We will do a Chemistry experiment this Friday. 这个周五我们要做化学试验。
- The effects of competition with Helianthus turberosus on photosynthesis of Ambrosia trifida were studied under different densities under series replacement experiments. 采用取代试验设计，研究了不同密度比条件下，菊芋对三裂叶豚草光合特性的竞争机理。
- The stair carpet gets a lot of wear and tear and will soon need replacing. 铺在楼梯上的地毯磨损得很厉害，因而很快就要更换。
- May a good result wait upon your experiment. 祝你的实验取得满意的成果。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- We need sublimate water for our experiment. 我们的实验需要纯净化的水。
- The question of replacing the section director loomed large with the committee. 更换主任的问题摆在委员会的面前，亟待解决。
- We did some singularly boring experiment. 我们做了一些非常乏味的试验。
- He is close about the experiment. 他一点也不肯透露有关实验的情况。
- The experiment is designed to test the new drug. 实验的目的是试验新药。
- Are you going to take part in the first experiment? 你们会参与首次实验吗?
- Did you observe any agglomerate in the experiment? 你在试验中观察到什么附聚物吗?
