Isoviolanthrene
[化] 异紫蒽
🗣️ 情景例句
Get it?
明白吗？
Whom will you show?
你将给谁看呢？
I've been here for about two years. I've been here since 1993.
我到这儿大约有两年时间了。我自1993年就到这儿学习。