v.挑选( single的过去式和过去分词 )； 双语释义：v.(动词)vt. 挑选 select from others for special attention, etc.n.(名词)[C] 单程票 a single ticket[U] 单打 s single runadj.(形容词)单一的,单个的 having only one part, quality; being only one英英释义： single[ 'siŋɡl ]n.a base hit on which the batter s