Polyurethane brightener
[化] 聚氨酯光亮劑
?? 詞語組成解析
n. 聚氨酯\\n[化] 聚氨基甲酸酯; 聚氨酯
增白劑, 拋光劑, 光亮劑
??? 情景例句
I'd like to call home
我想打電話回家
Thoroughly to teach another is the best way to learn for yourself.
教學相長。
We are all very excited and are looking forward to the Olympic Games because they have never been held before in this country.
我們都非常激動，盼望著奧運會的到來，因為在這個國家里還從未舉辦過奧運會。