Aethylenum
乙烯
🗣️ 情景例句
He had insufficient sleep.
他睡眼不足。
I bought 3 pounds of flour.
我买了三磅面粉。
Good afternoon! I've come to return your pan. Thank you very much for lending it to me.
下午好！我来还你锅。非常感谢你能把锅借给我。