They knocked together two rough mailboxes with wooden boards.

他们用木板草草地做成了两个粗糙的箱。

He stopped at the mailbox and dropped the letter in.

他在筒前停了下来, 把投了进去。

The mailman propped his bicycle up against the wall and put the mail into the mailbox.

电员把自行车靠在墙上把件箱里。