数据库: data bank; data base; data pool; data library◇数据库管理系统 data base management system; 数据库计算机 data base computer
关: Ⅰ动词1.(使开着的物体合拢) close; shut 短语和例子关窗户 shut the window; 他随手轻轻地把门关上了。 he closed the door softly behind him.2.(圈起来) shut in; lock up 短语和例子把鸡关在栅栏里 shut the chickens in a pen; 关进监狱 lock up (in p