火电厂和冶炼工厂附近的土和水中所溶解了来自于铅，汞及其他重金属的毒性物质，这些毒性物质通常很难测量。
The toxic buildup of lead, mercury, and other heavy metals in the soil and water near coal plants and smelting factories is not usually measured.
考查重金属污染物的毒性效应是探讨重金属水环境容量的基本出发点。
Examining the toxic effect of heavy metal pollutants is essential for exploring heavy metal water environmental capacity.
蚯蚓个体对重金属毒性的耐受程度差别较大。
The degree of individual earthworm enduring the toxicity of heavy metals varied greatly.
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