Polyprotodont
n. 多门齿类动物
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
What's all this noise?
这可怕的声音是什么？
It's the library's. Please be more careful from now on!
“是图书馆的书。从现在起请你倍加小心！”