E-c
abbr. ether-chloroform 天空醚—氯仿（混合）
🗣️ 情景例句
What's the nature of the problem?
是什么样的问题？
It's a shame this restaurant is so expensive.
太遗憾了，这家餐馆太贵了。
People have been talking of it a lot recently.
近来人们对这事谈得很多。