Depropanization
丙烷馏除
🗣️ 情景例句
He's a nice man.
他是个好人。
I ought to make a phone call.
我应该打个电话。
Though Mr.Thompson had turned the lights off before he went to bed, they were on in the morning.
虽然汤普森临睡觉时把灯关了，但早晨灯却都亮着。