Pinnigrade
a. & n.用鳍(或鳍状肢)行走的(动物)
🗣️ 情景例句
Oh, I was sorry
噢 ，我很难过
Would you mind closing the window for me?
能帮我关一下窗户吗？（你介意关下窗户吗？）
I think Chinese is more popular than any other subject.
我想语文比其他任何科目都更受欢迎。