Poly(vinyl chloride)
[化] 聚氯乙烯
🗣️ 情景例句
We are from Shanghai.
上海。
Yes, he speaks English perfectly.
是,他能流利地说英语。
When the brothers were reunited, Hans explained how it was that he was still alive.
兄弟俩团聚之时，汉斯说明了他活下来的经过，