Waste water may carry germs which are collected from human and animalexcreta.
污水里往往有人和动物粪便中的病菌。
2
Sewage includes waste water and human excreta. Waste water may carry germs which are collected from human and animalexcreta.
污水包括废水和人类粪便。污水里往往有人和动物粪便中的病菌。
3
It is important for people working with farm animals to be aware of the risks of drinking untreated milk and exposure to dust from animalexcreta and afterbirth.