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 -...
Barry held the bowls while Liz ladled soup into them.巴里负责端着碗，由利兹向碗里盛汤。He ladled a bowl of stew for himself.他给自己盛了一碗炖肉.Barry held the bowls while Liz ladled soup into them...巴里负责端着碗，由利兹向碗里盛汤。Mrs King went to the big black...