| 释义 |
back.up5bAk7Qpn(someone or something that provides) support or help, or something that you have arranged in case your main plans, equipment, etc. go wrong支持;备用物，代替品We're going to need some professional backup for this project. [U]我们需要专业人士支持这项计划。The hospital has a backup generator in case there is a power failure.医院有备用发电机以防停电。The party is going to be outdoors, so we'll need to organize somewhere as a backup in case it rains. [U]晚会打算在户外举行，所以我们必须安排一处备用场所以防下雨。Remember, your colleagues are your backup system when things go wrong.记住，当你陷入困境时，同事能够助你一臂之力。(Am) He's a backup (= plays if the person who usually plays is not available) for the Dallas Cowboys. [C]他是达拉斯牛仔俱乐部的替补队员。(Am) She used to be a backup singer for (= sing with) Whitney Houston.她曾为惠特尼·休斯顿伴唱。A backup is also a copy of information that is held on computer, which is stored separately from the computer.电脑备份Before we leave work each day, we make a backup of all the records we have entered into the computer that day. [C]我们每天下班之前都要对当天输入电脑的所有资料进行备份。The department's backup disks are all stored in a different building.那个部门所有的备份软盘都储藏在另一幢大楼里。
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