🗣️ 情景例句
He never speaks unless he is spoken to.
除非别人先对他开口，他从不先开口。
The chemist is testing enzymes.
化学家在试验着酶。
Hi, it's Bob here. Listen. I want you to play in a concert for me.
嗨，我是鲍勃呀！听着，我想要你为我在一个音乐会上演出。