Calcofluor
[美]卡尔科弗卢尔(荧光增白剂)
🗣️ 情景例句
The other day he finally popped the question.
第二天他终于开口求婚了。
Ill news travels fast.
坏事传千里。
George showed me to the guestroom which, he said, was rarely used.
乔治把我领进客房，说这间很少使用。