Diphenylethylene
1, 2-二苯乙烯
🗣️ 情景例句
Of course.
当然可以。
I doubt it.
我表示怀疑。
Franz poured scorn on the idea, pointing out that his brother had been killed in action during the war.
弗朗兹对此不屑一顾，指出他兄弟已经在战争中阵亡了。