dozens of修饰可数还是不可数
dozens of意为“很多;许多”,后接可数名词复数形式;
例句
We have dozens of things to do now.
She has appeared in dozens of films.
a dozen 一打;十二个;
three … dozen + 名词 表示 三打 ;
by the dozen 成打地
Two dozen cameras recorded video of Tom’s almost every move.
24个摄像机几乎将汤姆的一举一动都拍摄下来。
He sells eggs by the dozen.
他论打出售鸡蛋。
My mother bought a dozen eggs.
我妈妈买了一打鸡蛋。