Calcofluor
[美]卡尔科弗卢尔(荧光增白剂)
🗣️ 情景例句
Trust me!
相信我！
You'll hurt your arm, if you don't take care.
你不专心的话，就会伤到你的手指。
I like writing to my penfriend, but it takes a lot of time.
我喜欢给笔友写信，但那很花时间。