Pinnigrade
a. & n.用鳍(或鳍状肢)行走的(动物)
🗣️ 情景例句
OK, let me get my wallet and we'll take off.
好，让我拿一下钱包，我们就走。
Snort! I didn't do anything wrong!
哼哼，我没做错什么事啊。
I don't know.
我不知道。