Waste water may carry germs which are collected from human and animal excreta.
污水里往往有人和动物粪便中的病菌。
Sewage includes waste water and human excreta. Waste water may carry germs which are collected from human and animal excreta.
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。
It is important for people working with farm animals to be aware of the risks of drinking untreated milk and exposure to dust from animal excreta and afterbirth.
这是很重要的工作的人与家畜必须知道的风险饮用水未经处理的牛奶和接触到的尘埃，动物粪便和胎盘。
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