Pinniped
a. 有鳍状肢的
🗣️ 情景例句
Nothing's as refreshing as ice water on hot day!
在大热天没有什么像冰水那样提神。
Habit is second nature.
习惯成自然。
The thieves dropped the torch and ran away as quickly as they could.
小偷扔下了手电筒，飞快地逃走了。