Cocatalyst
助催化剂
🗣️ 情景例句
How long will it take to get some more in from the factory?
从工厂再运一些货过来要多久？
He's a composer of serious music.I like his music a lot.
他是的一个严肃音乐的作曲家，我非常喜欢他的音乐。
Getting ready for Ann's party
准备安的生日。