excrement 雅思

Avian flu basically is to pass excrement and urine the pollution that waits to basket of dress, shoe, equipment, egg is pestiferous.

禽流感要是通过对服装、鞋、设备、蛋筐等的污染传播疾病。

Waste derived from human activitirs, such as rapeseed placentiform from the extraction of rape oil;fruit faeces from the extraction of fruit juice;chicken excrement from the scall farming of chickens.

摘要废弃是人类为满足自身需要的产，如菜籽饼来自于油菜籽油，渣来自于水，鸡来自于规模化养鸡。