Bireactant
双元推进剂, 二元反应物, 双反应物
🗣️ 情景例句
What time is it, anyway?
几点钟了， 顺便说一声。
You must get used to getting up early.
你必须习惯于早起。
Yes, I know it's bad, but I need to do some shopping.
是的，我知道天不好，但我得买点东西。