Polystep reaction
[化] 多步反应
🧩 词语组成解析
🗣️ 情景例句
Leave nothing to chance.
做任何事情都要有把握。
No man is born wise or learned.
人非生而知之。
Haven't you heard of him? He's a very famous singer. He's singing at the New Theatre on Saturday.
你没听说过他吗？他是个著名歌手。他星期六将在新剧院演出。