n. 〈英〉江湖医生;江湖郎中;(鸭子的)呱呱声
vi. (鸭子)发出嘎嘎声
Suddenly he heard a quack.
突然,他听到嘎的一声。
When his seawater rice research was successful, he was very excited, and copied the action of ducks with "quack, quack, quack", while passing a pond.
当他的海水水稻研究成功时,他非常兴奋,在经过一个池塘时模仿鸭子的动作,发出“嘎、嘎、嘎”的声音。
Quack, quack, quack. Walk like us!
嘎嘎嘎,像我们一样走路!
I am a duck Quack quack .
我是一只鸭子,嘎嘎。
Walking like this, quack, quack, quack.
像这样走路,嘎嘎嘎嘎。