Monoreactant
单元燃料, 单一反应物
🗣️ 情景例句
I want to take a few days off just for relaxation.
我想请几天假放松放松。
Do you have any brothers or sisters?
你有兄弟或姐妹吗？
Just as that moment the train came into the station.
正在这时，火车进站了。