selectv.选择;挑选adj.精选的;优等的n.被挑选出来的人或物
SELn.信号工程实验室(=Signal Engineering Laboratories)
seldomlyadv.很少地
Seldomycin昔尔杜霉素
seldomness很少,不常
seldom miss很少错过
Seldom High罕见高温
seldom seen罕见
seldom if everadj.难得(绝无仅有)
seldom pleasure罕有的愉快
seldom or neveradv.极难得(简直不)
seldom earthquake罕遇地震