◎ dozen意为“12,一打”,score意为“20”。
① 前有数词修饰,表示确定数,或同many,several,some(大约)连用时,这两个词均用单数形式,不加s。
These eggs are five yuan a dozen. 这些鸡蛋一打5元钱。
It happened four score years ago. 那件事发生在80年前。
She bought several dozen of these ball-pens. 她买了好几打这样的圆珠笔。(ball-pens前有these修饰,同dozen之间要用of)
Some dozen(of)people heard the strange sound. 大约12个人听到了那个奇怪的声音。
② 若前无数词修饰,表示大概数时,要用复数形式。dozens of和scores of表示“几十个,许多”。
Dozens of trees have been cut down there. 那里砍掉了几十棵树。
Scores of people came to the meeting. 几十个人来参加了会议。