First-day cover
n. 首日封
📖 牛津释义
first-day cover
envelope with a set of special stamps postmarked on the first day of issue 首日封.
🧩 词语组成解析
first
[fɝst]
n. 第一，最初;头等;一号，;[乐]高音部;
adv. 最早，最初;首次;宁愿;优先;
adj. 第一流的;最初的，最早的;基本的，概要的;高音的;
num. 第一;
day
[de]
n. 一天;白天;时期;节日;
adj. 日间的;逐日的;
adv. 每天;经常在白天地;
🗣️ 情景例句
Front... knees up, knees up.
前踢， 膝盖抬高。
She was disappointed by what Lawrence said.
她对劳伦斯说的话感到失望。
Up to now, Mr.Scott has sent a great many requests for spare parts and other urgent messages from one garage to the other.
到目前为止，斯科特先生从一个汽车修理部向另一个发送了大量索取备件的信件和其他紧急函件。