Bireactant
双元推进剂, 二元反应物, 双反应物
🗣️ 情景例句
It's good for every day. It will be good for school, Michelle.
这套衣服每天都可以穿。它适合上学时穿， Michelle。
His classical music is so quiet. I can't even hear it!
他的古典音乐幽静得听不见。
I'm an engineer.
我是工程师。