Vinylic
[有化] 乙烯的
🗣️ 情景例句
when Susan and Richard were babies?
当Richard和Susan还很小时？
A ready way to lose friend is to lend him money.
失友都因借钱起。
We informed him that the fissure extended for fifty years and was tow feet wide and four feet deep.
我们告诉他那个大裂缝长50码，宽2英尺，深4英尺。