Letter of confirmation
[经] 证实书, 确认书
🧩 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;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
No. She's at work now.
不在，她正在上班。
Fashion is a very popular magazine in America.
《时尚》是美国很流行的杂志。
There will only be standing room left for us next century!
到下个世纪我们就只有立足之地了。