外部链接

external link (on website)

outside / in addition / foreign / external

external part / external

ministry / department / section / part / division / troops / board / classifier for works of literature, films, machines etc

chain / cable (unit of length: 100 fathoms, about 185 m) / chain (unit of length: 66 feet, about 20 m) / to chain / to enchain

link (on a website)

to receive / to answer (the phone) / to meet or welcome sb / to connect / to catch / to join / to extend / to take one's turn on duty / to take over for sb