Calcofluor
[美]卡尔科弗卢尔(荧光增白剂)
🗣️ 情景例句
I'll be in the front office all day.
我整天都在总办公室。
The tail does often catch the fox.
狐狸常因尾巴而被捕。
'I found this outside this gentleman's room,' she said.
“这是我在这位先生的房门外捡到的，”她说。