名词
中文翻译：邮柱
同义词：
['post', 'post pole', 'post peg']
例句：
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1.The post rod is an essential part of the mail delivery system.
邮柱是邮政系统不可或缺的一部分。
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2. The post rod was damaged during the storm.
暴风雨中邮柱受损了。
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3.The post rod was used to secure the mailboxes.
邮柱用来固定邮箱。