Pentanizer
戊烷馏除器
🗣️ 情景例句
Glad to see you. Good-bye.
很高兴见到你。再见。
I had lunch with a friend of mine.
我和我的一个朋友一块吃了午饭。
It is no use offering the manual labourer, tired out with a hard week's sweat and effort,
对于流汗出力干了一周苦活的体力劳动者来说，是不合适的；