Naphthophenazine
萘吩嗪
🗣️ 情景例句
This job is back-breaking work.
这份工作强度很大。
There is no sense in criticizing him.
批评他也没有用。
There she studied the teaching of deafblind children.
在那里，她学习聋盲儿童的教学工作。