seven 英?['sevn]? ? ?美?['sevn]? ?
num.?七
詞匯搭配
seven seas 世界七大洋(即北冰洋...? Seven Sisters 昂宿星團; 北鬥星團...?
seventy times seven 很大的數目? on cloud seven 極幸福
例句
用作數詞 (num.)
1、There are seven continents in the world.
世界上有七大洲。
2、Four multiplied by seven is twenty-eight.
7乘4等於28。
擴展資料：
近義詞的用法
heptad英?['hept?d]? ? ?美?['hept?d]? ?
n.?七個；
英英釋義Noun:
the cardinal number that is the sum of six and one
基數，即6和1之和
例句
Construction and expression of heptad repeat region of canine distemper virus fusion protein
犬瘟熱病毒融合蛋白七肽重復區基因的克隆表達
Cloning and Expression of Heptad Repeat Region of the Feline immunodeficiency virus and Product Purification
七肽重復區基因的克隆表達及其產物的純化