backup
柯林斯詞典
1. N-VAR Backup consists of extra equipment, resources, or people that you can get help or support from if necessary. 后備 (設備、物資或人力)
There is no emergency back-up immediately available. 沒有立即就能獲得的后備。
2. N-VAR If you have something such as a second piece of equipment or set of plans as backup, you have arranged for them to be available for use in case the first one does not work. 備用物 (如設備、計劃)
Every part of the system has a backup. 這套系統(tǒng)的每個部分都有備件。
3. N-COUNT The backup of a song is the music that is sung or played to accompany the main tune. 伴奏; 伴唱
Sharon also sang backup for Barry Manilow. 莎倫還為巴里·馬尼洛唱了伴唱。
4. N-COUNT A backup is the same as a . 后援[美國英語]
返回 backup
backup /?b?k?p/ (also back-up) (backups)
劍橋詞典
- B2 [ 可數(shù)名詞：有復數(shù)形式的名詞 or 不可數(shù)或單數(shù)名詞：沒有復數(shù)形式的名詞 ]
- The paramedic who arrived first at the scene immediately called for backup.
- How can I run the pub on my own all evening without any backup?
- It is essential to have backup when you go diving , in case anything goes wrong .
- If we run out of sandwiches I've got some pizzas in the kitchen as backup.
- My neighbour came along to provide some backup, in case the youths gave me any trouble . 返回 backup
(someone or something that provides ) support or help , or something that you have arranged in case your main plans , equipment , etc. go wrong
后備人員；候補物，替代物，備用物
We're going to need some professional backup for this project . 要完成這項工程我們需要一些專業(yè)人員的支持。
The party is going to be outdoors , so we'll need to organize somewhere as a backup in case it rains . 晚會將在露天舉行，所以我們需要安排一個備用的地方以防下雨。
Remember, your colleagues are your backup system when things go wrong . 記住，一旦出了差錯，你的同事就是你的后援。
[ 可數(shù)名詞：有復數(shù)形式的名詞 ]
a copy of information held on a computer that is stored separately from the computer
（文件的）備份
Before we leave work each day , we make a backup of all the records we have entered into the computer that day . 每天下班之前，我們都把當天輸入計算機的信息進行備份。
The department's backup disks are all stored in a different building . 該部門的備份磁盤都存放在另一棟大樓內(nèi)。
[ 可數(shù)名詞：有復數(shù)形式的名詞 ] US
a player who plays when the person who usually plays is not available
替補隊員
He's a backup for the Dallas Cowboys. 他是達拉斯牛仔隊的替補隊員。
例句