Poly(vinyl acetal)
[化] 聚乙烯醇縮乙醛; 聚乙烯醇縮醛
??? 情景例句
for a long time,
很久了，
She is in good shape.
她的身體狀況良好。
Glancing at it briefly, the dealer told him that it was worth $50.
古董商漫不經心看了一眼那幅畫，告訴弗蘭克那畫值50英鎊。