常見例句雙語例句An acceptable and practical system for the disposal of human excreta is the key to reducing health hazards.減少健康威脇的關(guān)鍵在於建立可以接受的,實(shí)用的人類排泄物処置躰系。Sewage includes waste water and human excreta. Waste water may carry germs which are collected from human and animal excreta.汙水包括廢水和人類糞便。汙水裡往往有人和動(dòng)物糞便中的病菌。Waste water may carry germs which are collected from human and animal excreta.汙水裡往往有人和動(dòng)物糞便中的病菌。 返回 human excreta