Depropanization
丙烷馏除
🗣️ 情景例句
Let's go out.
一起出去玩儿吧。
All things will come round to him who will but wait.
只要耐心肯等待，一切都会按时来。
'We mustn't buy things we don't need,' I remarked suddenly.
“我们不应该买我们不需要的东西，”我突然发表意见说，