Air letter
航空信, 航空邮笺
📖 牛津释义
air letter
single sheet of light paper folded to form a letter that may be sent cheaply by airmail 航空邮笺（单页薄纸摺成的航空信件, 邮资较廉）.
🧩 词语组成解析
air
[ɛə]
n. 天空;气氛;空运;（简单易记的）曲调;
vt.& vi. 晾晒;烘干;播送;广播;
vt. 使房间通风， 透气;
letter
['lɛtɚ]
n. 信;证书，许可证;字母，文字;字面意义;
vt. 用字母标明;写字母于;加标题;
vi. 写印刷体字母;
🗣️ 情景例句
It's almost lunchtime, and no fish yet.
差不多到午餐时间了， 还没钓到鱼。
Labour is the capital of our working men.
劳动力是劳动人民的资本。
It has become much cooler.
天气变得凉爽多了。