1. 稀少的,稀疏的：solutes溶解物,溶质 | sparser稀少的,稀疏的 | Specimen标本,样品
2. 空氣擴散器：方頭起子,方頭螺絲把 Spanner,box | 空氣擴散器 Sparser | 沈滓空間濃度 Spatial concentration of sediment
1. The Coast Guard sees little point in discussing why ice is sparser, said Colvin.
2. \u0064\u0061\u006E\u0063\u0069\u002E\u0039\u0031\u0031\u0063\u0068\u0061\u002E\u0063\u006F\u006D
2. Others with sparser beards and baby faces were also considered to be youthful soldiers by experts.