Aldehydene
乙炔
🗣️ 情景例句
The little boy held his mother's hand firmly when crossing the street.
那小男孩过马路时紧抓着母亲的手。
He is suffering the humiliation of failure.
他正在蒙受失败的屈辱。
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。