中考英语词汇讲解旧词新义：vegetable

vegetable

The terrible accident turned him into a vegetable.

Since losing his job my brother has felt like a vegetable.

vegetable在教材中的意思为“蔬菜”和“植物”，作名词用。

上面两个句子中的vegetable还是名词的用法，但意思发生了变化，分别为“植物人”和“生活单调乏味的人”。