Pentachloroethylbenzene
五氯乙基苯
🗣️ 情景例句
before getting to the tough stuff--math.
在对付难缠的东西 数学 之前。
It is a poor heart that never rejoices.
不知世间有乐者最可怜。
No matter where you live, you would find it difficult not to laugh at, say, Charlie Chaplin's early films.
比如说，不管你生活在哪里，你看查理。卓别林的早期电影很难不发笑。