高水平的麦角钙化醇对鸡也是有毒害的。
他们被迫模仿爬行蛇的身体，长而黑，有毒害的倒钩。
They were made to imitate the body of a creeping serpent, and were long and black, with a poisoned barb.
尽管这些治理方法或许用于无毒害的物质，同时也可用于有毒害的物质。
Although these treatment methods may have been intended for non-hazardous materials, they were employed for hazardous materials as well.
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