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
He was our go-between.
他是我们的媒人。
What are you gonna do?
你打算怎么办？
I had several photographs of Clare Flower, and I picked out one interesting photograph of Clare aged twelve in an art class at school.
我有几张克莱尔·弗劳尔的照片，挑出了一张克莱尔12岁时在学校假期艺术课上拍的很有趣的照片。"