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Skin is the body 's largest excretory organ .

皮肤是人体面积最大的排泄器官。

There are several other excretory mechanisms in earthworms .

蚯蚓有好几种排泄机制。

The fcc had changed its policy on fleeting expletives that denote " sexual or excretory activities " as part of a crackdown on indecency on tv .

美国联邦通信委员会已经修改其短暂粗口政策，指出“色情或污秽活动”也是打击影视不道德行动的一部分。

Of any special excretory system is explained in a similar way .

植物没有专门排泄系统，可用同样方式加以说明。

Germans worry about their excretory abilities .

德国人担心他们的排泄功能。