Dipiperonalacetone
二亚胡椒基丙酮
🗣️ 情景例句
Why should we employ you?
我们为什么要雇用你？
A good teacher should always avoid embarrassing his students.
一位好的教师无论何时都应该避免使学生感到难堪。
They dare not tell the truth.
他们不敢说实话。