是形容词词性,意思是:凉爽的,冷的,酷的,例如:

1、Others, like rabbit and asparagus, are said to have cool energy.还有一些食物,如兔肉和芦笋,则被认为是凉的。

2、We all go to McDonald's or better yet, Dairy Queen, and we live in a house that is warm in winter and cool in summer.我们都去麦当劳,或者去好一点的地方,去奶酪皇后店我们都住在冬暖夏凉的房子里。