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- biological assessment of water pollutant toxicity 水污染物毒性的生物评价
- The factory had been sending out toxic fumes. 这家工厂一直在排放有毒的废气。
- We should use anthracite to avoid air pollution. 我们应该使用无烟煤以防止空气污染。
- Pollution control has cleared the air. 污染管制已净化了空气。
- Man is fighting a battle against pollution. 人类正在与污染作斗争。
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- Pollution is still very much a live issue. 污染现象仍然是当前的大问题。
- A toxic chemical or other substance. 有毒的化学品或其它物质
- The soil becomes more and more acidic as pollution mounts up. 随着污染的加剧，土壤的酸化越来越严重。
- A clamor in the press for pollution control. 在报纸上对污染控制的呼吁
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- Pollution has stripped the trees of their foliage. 污染剥光了这些树的叶子。
- The degree to which a substance is toxic. 毒效一种物质毒性所达到的程度
- We have freed the lake from pollution. 我们已经清除了该湖的污染。
- Physical and chemical tests verify that this Recovery Device has neither radioactive pollution nor toxic side effects. 经理化检验证实：使用该器无放射性污染，对人体绝对无毒无副作用。
- Many young people could not resist the spiritual pollution. 很多年轻人不能抵制精神污染。
- It will cause pollution and the destruction of our seas and oceans. 这会引起污染，破坏我们的海洋和江河。
- We are sad about the pollution of our beaches with oil. 我们很痛心石油对我们海滩的污染。
- A substance having a specific toxic effect on certain cells. 细胞毒素对某些细胞有特殊毒害作用的物质
- Many people are concerned about the pollution of the environment. 许多人都关心环境污染问题。
