Depropanization
丙烷馏除
🗣️ 情景例句
What are you trying to tell me?
你想告诉我什么？
I am old enough to make up my own mind.
我已经长大了，可以自己拿主意了。
Thousands joined him when he led a march to the coast, with the purpose of making a little salt when he reached the sea.
为了生产一点盐，他带领游行队伍向海滨前进，当他们到达海滨时，成千上万的人参加了进来。