Letter of introduction
[經] 介紹信
?? 詞語組成解析
letter
['l?t?]
n. 信;證書，許可證;字母，文字;字面意義;
vt. 用字母標明;寫字母于;加標題;
vi. 寫印刷體字母;
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
introduction
[,?ntr?'d?k??n]
n. 介紹;引言，導言;采用，引進;新采用的東西;
introduc=introduct引導+tion名詞后綴，表狀態→引進的行為→介紹，引進
??? 情景例句
Oh, you're right.
哦， 說得對。
The earthquake strikes (hits) the city.
地震襲擊了這座城市。
The former method simply consists of setting an elephant to work and beating him until he does what is expected of him.
強硬法就是驅使象去干活，把它打到順從為止。