- 释义：
- n. 邮筒; 邮箱; 电子邮箱
- 例句：
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He stopped at the mailbox and dropped the letter in.
他在邮筒前停了下来,把信投了进去.
换一句
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He stuck down the envelope and dropped it into the mailbox.
他把信封粘好后便投进邮筒.
换一句
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He then dropped both the fire and the ice into the mailbox.
他把冰和火一起投进了邮筒.
换一句