◎ dozen意為“12,一打”,score意為“20”。
① 前有數(shù)詞修飾,表示確定數(shù),或同many,several,some(大約)連用時,這兩個詞均用單數(shù)形式,不加s。
These eggs are five yuan a dozen. 這些雞蛋一打5元錢。
It happened four score years ago. 那件事發(fā)生在80年前。
She bought several dozen of these ball-pens. 她買了好幾打這樣的圓珠筆。(ball-pens前有these修飾,同dozen之間要用of)
Some dozen(of)people heard the strange sound. 大約12個人聽到了那個奇怪的聲音。
② 若前無數(shù)詞修飾,表示大概數(shù)時,要用復數(shù)形式。dozens of和scores of表示“幾十個,許多”。
Dozens of trees have been cut down there. 那里砍掉了幾十棵樹。
Scores of people came to the meeting. 幾十個人來參加了會議。