sparse

adj. 稀疏的,稀稀落落的,薄的

spank, spanking, spanner, spar, spare, spare part, spare tyre, spare-rib, spare...from, sparing, sparingly, spark, sparking-plug (also `spark-plug), sparkle, sparkler, sparkling, sparks, sparring-partner, sparrow, sparrow-hawk, sparsely, sparsely-populated, spartan, spary, spasm, spasmodic, spasmodically, spastic, spat, spate, spatial, spatially, spatter, spatula, spawn, spay, speak, speak for, speak of, speak up,