Diphenylethlene
二苯基乙烯
🗣️ 情景例句
Then, in college, I became good at it.
然后， 在大学， 我变得很精于数学。
A crown is no cure for the headache.
王冠难治头痛。
It was a lazy, breezy autumn afternoon.
这是一个懒散的，起风的秋日下午。