Poly(vinyl formal)
[化] 聚乙烯醇缩甲醛
🗣️ 情景例句
How were your scores in university?
你大学时的成绩如何？
Love is the touchstone of virtue.
爱情是美德的试金石。
This is Nicola Grey,and this is Claire Taylor.
这位是尼克拉。格雷，这位是克莱尔。泰勒。