Depropanization
丙烷馏除
🗣️ 情景例句
And again--thanks.
再次谢谢你。
Of nothing comes nothing.
无中不能生有。
but they can still stop you when you are going through the Green Channel and have nothing to declare.
但是，当你通过绿色通道，没有任何东西需要申报时，他们仍可以拦住你。