同义词： mailbox letter box
同义词： postbox mailbox letter box
以上来源于: WordNet
I feel anxious whether cannot receive up message because mailing box system either the electric network reason.
我担心是否因为邮箱系统或是网络的原因而未能接收到信息。
Dennehy and three others had built what they called their "box castle" using cardboard mailing boxes to delineate their space on the plaza.
丹尼希和三个同伙建立了“盒子城堡”，将邮寄用纸板盒搭建出他们在广场上的活动空间。
He banded the box before mailing it.
邮寄前他把盒子用带子捆扎好。
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