foreignkey外键foreignadj.外来的；外国的；异质的；不相符的foreign enterprise国外企业foreign businesses外资企业foreign conditions夷情Foreign government国外政府foreign philosophy外国哲学foreign bank bills[经] 外国银行票据foreign oppression外来压迫foreign automobile国外汽车foreign attachment外来进网设备foreign bank notes外国银行纸币