The larvae may be excreted in the faeces.幼虫会连同粪便排出.The faeces contain nitrogen and it is that which fertilises the desert soil.粪便含氮，而正是氮可以肥化荒芜的土地。They stand on their own accumulated faeces, which quickly become disease -...

faeces的音标：faeces的英式发音音标为：['fi:si:z]faeces的美式发音音标为：['fisiz]...

n.粪便，排泄物，屎...