Ectosarcous
a. [生]原虫外膜
🗣️ 情景例句
You look bothered. Is there something I can help you with?
看你好像有点烦恼，有什么我可以帮忙吗？
Will you bring the laundry in if it rains?
下雨时请你收一下衣服，好吗？
I think she's twelve.
我想她十二岁了。