Shark
例子
John learned that some sharks can detect prey using electrical signals.
约翰了解到一些鲨鱼可以通过电信号来探测猎物。
02
鲨鱼, 捕食者
a person who preys on others for profit or advantage
Informal
Offensive
03
鲨鱼, 高手
a person who is unusually skilled in certain ways



























