Pinnigrade
a. & n.用鳍(或鳍状肢)行走的(动物)
🗣️ 情景例句
I love walking in the rain.
我喜欢在雨中散步。
Man is the artificer of his own happiness.
人之幸福，自己创造。
They crowned him king.
他们拥立他为国王。