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.減少健康威脅的關(guān)鍵在于建立可以接受的，實用的人類排泄物處置體系。Sewage includes waste water and human excreta. Waste water may carry germs which are collected from human and animal excreta.污水包括廢水和人類糞便。污水里往往有人和動物糞便中的病菌。Waste water may carry germs which are collected from human and animal excreta.污水里往往有人和動物糞便中的病菌。 返回 human excreta