a few vegetables是可數(shù)的。
vegetables
n. [園藝] 蔬菜（vegetable的復(fù)數(shù)形式）；菜類
例句：
The vegetables had turned to mush.
蔬菜都爛成了一堆。
I like most vegetables.
幾乎什么蔬菜我都喜歡。