准备: 1.(预先安排) prepare; get ready 短语和例子精神准备 mental preparation; 准备过几年紧日子 be mentally prepared for a few years of austerity; 准备接待外国游客 prepare to receive foreign visitors; 不打无准备之仗 fight no war unp
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
