Poly(vinyl alcohol)
[化] 聚乙烯醇
??? 情景例句
Sure.
當然是。
He that liveth in court dieth upon straw.
生于安樂者常死于貧賤。
In winter, however, life at the monastery is quite different.
然而到了冬天，修道院里的生活則是另一番景象。