Ectosarcous
a. [生]原虫外膜
🗣️ 情景例句
I'm not so young anymore.
我不再那么年轻了。
Virtue is a jewel of great price.
美德是无价之宝。
Oh! Well, for that, you'd better find an English pen friend.
哦！那你最好为此找一个英文的笔友。