Protococcus
原球藻属
🗣️ 情景例句
so that each one would be a part of it.
好让每个人都成为它的一部分。
Do not cut down the tree that gives you shade.
不要忘恩负义。
Also they make the tank look much prettier.
二来，它们还可以使容器看起来更漂亮些。