1. clothes, cloth, clothingclothes统指各种衣服，谓语动词永远是复数cloth指布，为不可数名词clothing服装的总称，指一件衣服用a piece of, an article of2. incident, accidentincident指小事件, accident指不幸的事故He was killed in the accident.3. amount, numberamount后接不可数名词，number后接可数名词 a number of students4. sound, voice, noisesound自然界各种各样的声音，voice人的嗓音，noise噪音I hate the loud noise outside.5. photo, picture, drawingphoto用照相机拍摄的照片，picture可指相片，图片，电影片，drawing画的画Lets go and see a good picture.6. weather, climateweather一天内具体的天气状况，
