Diphenylethylene
1, 2-二苯乙烯
🗣️ 情景例句
Mind your manners.
注意你的行为举止。
Is there a beauty shop nearby?
这附近有没有美容院？
A few minutes later, I was able to hurry away with precious chalk marks on my baggage.
几分钟后，我终于被放行，手提划着宝贵的粉笔记号的行李，匆匆离去。