Many toxic effects can be studied at the cellular level.
许多毒性作用在细胞阶段就可加以研究。
Objectivel: Discusses the child essential element and the toxic element blood lead level relations.
目的：探讨儿童必需元素与毒性元素血铅水平的关系。
Air pollution on underground trains tend to be less toxic than that at street level.
地铁里的空气污染应该比街道的毒性弱。
Air pollution on underground trains tend to be less toxic than that at street level.
地铁里的空气污染应该比街道的毒性弱。
应用推荐