Letter of insurance
[经] 保险信
🧩 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
Earth day should be every day.
每一天都应该是地球日。
Proverbs are the wisdom of the ages.
谚语是时代的智慧。
How kind! You were lucky.
她多好啊！你很幸运。