foreign to和 ... 无关的不适合于 ...
foreignadj.外来的;外国的;异质的;不相符的
foreign frequence强迫振荡频率
foreign languages外(国)语
foreign frequency外部频率
foreign financial外援
foreign statement[经] 外国承包商
foreign documents外国文献
foreign publicity对外宣传
foreign household[法] 外侨户
Foreign standards国外标准
foreign inclusion外来夹杂物