Letter reference number
[经] 书信备查号数
🧩 词语组成解析
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 used to stop for hitch-hikers'till the day I picked up that maniac.
自从有一天搭了一个精神病人以后，我碰到搭顺风车的人就不再停下来了。
Wilful waste makes woeful want.
浪费招致穷困。
There was a note of triumph in my voice when I told him that it was there in black and white.
我带着一种胜利者的调子告诉他那趟车白纸黑字。明明白白印在时刻表上。