polyurethane
n[U]
type of plastic used in making paints 聚氨酯(用以制造油漆)
[attrib 作定語(yǔ)]
polyurethane gloss, ie paint that dries with a hard shiny surface 聚氨酯亮光漆.
??? 情景例句
against Boswell, Ellen.
和Boswell對(duì)抗, Ellen。
She dresses very well.
她很會(huì)穿衣服。
Once the existence of this wave-length had been discovered,