feel （动词）触摸,感觉到,给人.印象 例句：I can feel a nail sticking into my shoe.我感觉到有钉子扎进鞋里.
feels是feel第三人称形式）,在一般现在时跟在第三人称后面用.
例句：It feels like rain.好象要下雨.
feeling (feel的现在时形式或动名词) How are you feeling today?你今天身体好吗?
(名词) 知觉,感觉,感受力,激情,感情 She hasn't much feeling for the beauty of nature.她对大自然的美缺少鉴赏力.
feeling （形容词）有同情心的,激动的
She is very feeling.她很有同情心.
hair 作(人和动物的)毛发(指单根)时,是可数名词,有复数形式:There were two blonde hairs on his coat collar.有两根金发女子的头发留在他外衣领子上.