Pentahydroxybenzophenone
五羟基二苯(甲)酮
🗣️ 情景例句
I am unfamiliar with law.
我对法律不熟悉。
An ill life,an ill end.
恶有恶报。
Good afternoon, class! Who's on duty today?
同学们，下午好！今天谁值日？