Sniol
聚氯乙烯纤维
🗣️ 情景例句
I don't have time to take any elective classes.
我没有时间去上任何选修课。
The man is surveying land for a national park.
这个人正在测量国家公园的土地
He's doing very well in the navy.
他在海军里干得很出色。