Monoreactant
单元燃料, 单一反应物
🗣️ 情景例句
I really appreciate
我真的很感谢
A lazy youth,a lousy age.
少时懒惰老来苦。
Then he sat there and looked at it for three hours! He didn't write a word!
然后他就坐在那里，对着考卷看了3个小时，一个字也没写！