同根派生 universal set相關(guān)詞英漢例句For a universal set, the set of all elements in the set that are not in a specified subset.補(bǔ)集對(duì)任意一個(gè)集郃,這個(gè)集郃的所有元素不共存在於它的任一子集郃universal set更多例句