Ectosarcous
a. [生]原虫外膜
🗣️ 情景例句
There's always a friend around when you need one.
当你需要朋友帮忙的时候，总会有朋友在你身边的。
It's about time!
正是时候。
And here's a little present for you.
这里有一件小礼物送你。