ADJ-GRADED
				稀少的;稀疏的
				Something that is sparse is small in number or amount and spread out over an area.
例句
						Many slopes are rock fields with sparse vegetation...
						许多山坡都是石头地,植被稀疏。
						He was a tubby little man in his fifties, with sparse hair...
						他50来岁,头发稀疏,身材矮胖。