筛选shāixuǎn 1.利用筛子进行选种、选矿等。{use a sieve to select seeds, dress ore, etc.} 2.泛指通过淘汰的方法挑选{select through elimination}: 经过多年的杂交试验,～出优质高产的西瓜新品种。{After years of experimentation with hybridization, new strains of high-quality and high-yielding watermelon have been selected.}