sparsest
adj. 稀疏的,稀少的( sparse的最高级 )
Something that is sparse is small in number or amount and spread out over an area.
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。