英语词汇first day cover怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
Some people are very interested in these "first day covers."
有些人对“首日封”非常感兴趣。
2
We not only have the souvenir folders, but also have the first day covers.
我们这儿不但有纪念邮折，还有首日封。
3
Used or unused postage or revenue stamps, stamp-postmarks, first-day covers, postal stationery (stamped paper), and the like, other than those of heading No. 49.07.
使用过或未使用过的邮票、印花税票、邮戳印记、首日封、邮政信笺(印有邮票的纸品)及类似品，但税目49.07的货品除外。

单词	first day cover
释义	first day cover 英/ ?f??st de? ?k?v?(r) / 简明释义首日封：一种邮政纪念品，是在邮票发行的第一天，在信封上贴上新邮票并加盖首日邮戳。双语例句 1 Some people are very interested in these "first day covers." 有些人对“首日封”非常感兴趣。 2 We not only have the souvenir folders, but also have the first day covers. 我们这儿不但有纪念邮折，还有首日封。 3 Used or unused postage or revenue stamps, stamp-postmarks, first-day covers, postal stationery (stamped paper), and the like, other than those of heading No. 49.07. 使用过或未使用过的邮票、印花税票、邮戳印记、首日封、邮政信笺(印有邮票的纸品)及类似品，但税目49.07的货品除外。
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