您要查找的是不是：
- A pipe for carrying off water or sewage. 排水管排水或污水的管子
- 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。
- 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。
- It requires great efforts to clarify sewage in cities. 净化城市的污水需要很大的努力。
- We will do a Chemistry experiment this Friday. 这个周五我们要做化学试验。
- 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。
- 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。
- The river was contaminated with sewage. 这河水被污水污染了。
- Are you going to take part in the first experiment? 你们会参与首次实验吗?
- The sewage pipes were choked with rubbish. 垃圾阻塞了污水管道。
- The waste material and water carried in sewage. 污水，污物从下水道中排出。
- Did you observe any agglomerate in the experiment? 你在试验中观察到什么附聚物吗?
- Article 19 Urban sewage shall be centrally treated. 第十九条 城市污水应当进行集中处理。
