Calcofluor
[美]卡尔科弗卢尔(荧光增白剂)
🗣️ 情景例句
He gave them to me to hold on to them
他给我戒指， 要我自己保管，
I think your price is on the high side.
我认为贵方价格偏高。
The former method simply consists of setting an elephant to work and beating him until he does what is expected of him.
强硬法就是驱使象去干活，把它打到顺从为止。