Maildrop
na. 邮筒；邮筒槽口；秘密通信地址\\n
🗣️ 情景例句
It is a great idea,
这是个极好的主意。
I don't know for sure.
我不能肯定。
This attracted the attention of Richard Humphries who was then the most eminent boxer in England.
这引起当时英国拳坛名将理查德。汉弗莱斯的注意。