Letterbox
n. 邮筒, 邮箱, 投信口, 信箱
✅ 同义词
🗣️ 情景例句
But I'm sure he has a few bags with him on the train.
不过我相信他在火车上还有几件行李的。
He has the advantage of a new set of clubs and has played everyday.
他拥有新的球杆，所以有利，何况他每天都在练习。
It suddenly occurred to one of the workers to open up the box.
突然一个工人想到打开箱子看看。