1.The larvae may be excreted in the faeces.

1.幼会连同粪便排出。

2.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.

2.摘要废弃物是人类为满足需要的产物，如菜籽饼油菜籽取油，果渣水果取汁，鸡粪规模化养鸡。