您要查找的是不是：
- mail cover check 美国联邦调查局对私人信件的秘密检查
- The check came under cover in yesterday's mail. 支票是装在信封里和昨天的邮件一起送来的。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- The front cover of the novel has been torn off. 这本小说的封面已被撕掉。
- The plumber made a careful check of the pipes. 管子工对管道做了仔细的检查。
- Cut a check to cover travel expenses. 开出一张支票支付旅行费用
- He has a large amount of mail to answer every day. 他每天有大量的信件要回复。
- The mail is conveyed with expedition. 那封信被迅速地传递出去。
- You can't judge a book by its cover. 不能根据封面判断一本书(不可以貌取人)
- Our letters crossed in the mail. 我们的信在邮递中互相错过了。
- I went to the post office to mail the letters. 我去邮局寄信。
- Airmail is quicker than sea mail. 航空邮递比海上邮递快。
- Is there another mail in the afternoon? 下午还另有一批邮件吗？
- I can send him a note via the internal mail system. 我可以通过内部通信系统给他发个通知。
- The insurance cover is optional. 保险范围可以随意选择。
- Sunday is the best day to check the want ads. 星期天是在报纸上查寻招聘广告的最好的日子。
- The workers sort the mail from the mailbox. 工作人员从邮箱中分拣邮件。
- I wrap the book in brown paper before I mail it. 我先把书用牛皮纸包好，然後邮寄。
- Have you got any rain check for the following game? 你拿到下一场球的免费票了吗？
- Mail comes to this remote village only once a week. 邮车每周只到这个偏僻的村庄一次。
