Calcofluor
[美]卡尔科弗卢尔(荧光增白剂)
🗣️ 情景例句
That's very nice of you.
你真是太好了。
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
But where's my cup?
可我的杯子上哪里去了？