Aethylenum
乙烯
??? 情景例句
Please don't do it without asking.
未經(jīng)允許請不要那么做。
I remember the girl whose father earns $ 10000 a month.
我記得那個女孩的父親一個月賺一萬元。
Do you give each other presents at Christmas?
圣誕節(jié)你有送禮物給別人嗎？