Air-letter
航空信；航空邮笺
🧩 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
I have worked hard at my major subject.
我对主修课特别用功。
Let every man speak well of the bridge theat carries him over.
饮水思源。
Hello, Jim! Help yourself to a cake.
你好，吉姆！请随便吃糕点。