foreign key外部关键码foreignadj.外来的；外国的；异质的；不相符的foreign occupation外国占领foreign remittance国外汇兑foreign bills sold[经] 售出外国票据(汇票)foreign judgements[法] 外国判决foreign trade zone自由贸易区,外货免税区foreign-invested外生型foreign manufacture外国产品foreign bady needle异物针foreign women names外来女名foreign body finder异物探寻器