a dozen times 是什么用法啊原句是这样的 for years ,my plans have been safe,but half a dozen times in the last eight weeks they have become known to my competitors.half a dozen times in the last eight weeks这句话是什么意思啊

a dozen times 是什么用法啊原句是这样的 for years ,my plans have been safe,but half a dozen times in the last eight weeks they have become known to my competitors.half a dozen times in the last eight weeks这句话是什么意思啊 She looked at the clock a dozen timesa dozen times表示? In the sentenceI want you to beat me two dozen times with a stick ,two dozen times means of的用法是什么啊?怎么用 为什么一大鸡蛋是：a dozen eggs 而一条面包却是 a loaf of bread?我是初中生. dozen 是什么意思half a dozen other groups是什么意思啊 a dozen dozen score的用法 dozen的用法 dozen的用法 dozen和score的用法 a dime a dozen dozen 的用法什么时候用dozens of dozen of dime-a-dozen是什么意思 a dozen 如题 times 用法 He claimed he wrote ______postcards to his friends that very nighta.two dozen b.three scores of 为什么选A dozen和score有什么用法 英文单词dozen的用法dozen与dozen of 的区别那several dozen eggs 还是several dozens of eggs? DOZEN