1、Humans usually become infected with Lassa virus from exposure to excreta of infected Mastomys.
人類通常通過暴露于受感染的Mastomys鼠的排泄物感染拉沙病毒。

2、The excreta of humans and land animals contain soluble refractory organic matter.
人和陸生動物排泄物含有可溶的難處理有機物質。

3、The excreta of aquatic animals-fish frogs turtles snakes etc-contain similar refractory materials.
水生動植物如魚、蛙、龜、蛇等的排泄物中也會含有類似的難處理的物質。

4、Inadequate disposal of human excreta is a major health risk in emergency situations.
在緊急情況下，人類排泄物的不適當處置是一個主要的健康危害。

5、excreta (especially of insects).
（尤指昆蟲的）排泄物。

excreta翻譯