可数名词，dozens of的意思是几十；很多。dozens of后接可数名词的复数形式，of不能省去。例句：Dozens of villages have been razed.几十个村庄被夷为平地。
dozens of例句
Dozens of servants had catered to his every whim.
几十个仆人迎合他所有稀奇古怪的念头。
Dozens of miles of railway track have been torn up
好几十英里的铁轨被毁坏了。
Dozens of reporters camped out on her doorstep.
许多记者在她家门口露宿。
He said there were dozens of economic plans in the works
他说有几十项经济计划已经开始实施。
Dozens of people have been injured and many vehicles set on fire
很多人受了伤，多辆车起火。
dozens of用法
1. 当dozen与具体数字连用时，既不加复数词尾-s，也不后接介词of。
2.当dozen不与具体数字连用，而是表示不确定的泛指数时，则不仅要加复数词尾-s，而且要后接介词of，此时可将dozens of(许多，几十)视为习语。如：I’ve been there dozens of times. 我去过那儿几十次。She’s got dozens of boy-friends. 她的男朋友很多。下面一例中的dozens加了复数词尾-s也属为似情况：Pack them in dozens. 按打装袋吧。
