Diphenylethlene
二苯基乙烯
🗣️ 情景例句
She is unwilling to participate.
她不愿意参加。
Fashion is a very popular magazine in America.
《时尚》是美国很流行的杂志。
Fine, thanks, Dad. What about you?
很好，谢谢爸爸。你呢？