Optical brightener
[化] 荧光增白剂
🧩 词语组成解析
增白剂, 抛光剂, 光亮剂
🗣️ 情景例句
I understand. But tell me.
我能理解。告诉我。
The worker is pounding steel pipes to mend the leakage of water.
管道工为了修缮漏水而敲打着下水道的铁管。
then administrative overheads will be low.
行政管理费用就会降低。