An appendage is something that is joined to or connected with something larger or more important.
例句
...the growing demand in Wales for recognition that it was not just an appendage to England...有越來(lái)越多的威爾士人要求得到認(rèn)可，即威爾士不只是英格蘭的附屬Macmillan must have loathed being judged as a mere appendage to domestic politics.麥克米倫肯定極不喜歡只被當(dāng)成國(guó)內(nèi)政治的附屬品。