Nitromesitylene
硝基-1,3,5-三甲苯
🗣️ 情景例句
at my junior high school graduation.
在我初中毕业的时候。
I ought to take her home.
我应该送她回家。
That machine joins these different pieces of metal together.
那台机器把这些不同的金属片焊接起来。