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
I see him on the train every day but we are not on speaking terms.
我每天都在火车上见到他，但彼此没有说过话。
I feel terrible about it.
太抱歉了。
She was a famous actress When I was still at school.
当我还是学生时，她就是个著名的演员了。