农民蚂蚁分泌抗生素来控制其他可能充当“杂草”的真菌，并传播排泄物来给作物施肥。
Farmer ants secrete antibiotics to control other fungi that might act as "weeds", and spread waste to fertilise the crop.
在孟加拉国和印度后来发生的疫情期间，尼帕病毒通过与患者的分泌物和排泄物密切接触直接人传人。
During the later outbreaks in Bangladesh and India, Nipah virus spread directly from human-to-human through close contact with people's secretions and excretions.
受感染家禽将病毒分泌或排泄到它们的唾液或粪便中。
Infected poultry excrete virus in their secretions and faeces.
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