Polyurethane brightener
[化] 聚氨酯光亮剂
🧩 词语组成解析
n. 聚氨酯\\n[化] 聚氨基甲酸酯; 聚氨酯
增白剂, 抛光剂, 光亮剂
🗣️ 情景例句
You made a tough decision.
你做了一个困难的决定。
Misfortune is a good teacher.
不幸是良师。
A man may acquire great knowledge of topics unconnected with his daily work,
一个人可能会获得与其日常工作无关的某些课题的渊博知识，