Phthalylidene
苯邻二亚甲基
🗣️ 情景例句
What about the rings?
戒指怎么办？
Quality matters more than quantity.
质重于量。
By the way, I came into this classroom last Saturday morning, and it was not as clean as usual.
顺便提一句，上星期六上午我来到这个教室时