Pinnigrade
a. & n.用鳍(或鳍状肢)行走的(动物)
🗣️ 情景例句
Don't forget about the bet.
别忘了打赌的事。
I was listening to the radio.
我正在听收音机。
We'll have to talk it over some more.
这个我们还得再谈一谈。