n.棉绒；粗花；原棉
A drop on a pad of wet cotton wool will subtly perfume a room if placed on a radiator. 如果房里放置一个散热器，只要往湿棉绒垫上滴上一滴就将满屋飘香。
Japan imports row cotton and exports cotton goods. 日本进口原棉，出口棉织品。
Differences between natural and dewaxed cotton are observed. 对原棉和去除蜡质的棉纤维间的差异进行了观察。
