Calcofluor
[美]卡尔科弗卢尔(荧光增白剂)
🗣️ 情景例句
The director is insisting on a staff meeting this evening at 7pm.
主管坚持在今晚7点抹刀形职工大会。
He realized that he was heading in the wrong direction.
他意识到走错了方向。
Put them over there, please.
请把它们放到那边去。