备用，指器用;工具;准备着供使用。语出《荀子·儒效》：“设规矩，陈绳墨，便备用，君子不如工人。”那么你知道备用用英语怎么说吗?下面来学习一下吧。
备用英语说法1：
backup
备用英语说法2：
spare
备用英语说法3：
reserve
备用英语例句：
夜里在乡村小路上，他的车子两个轮胎漏气了，又没有备用轮胎，他肯定难办死了。
He had two flat tires and no spare on a country road, which was certainly a pretty kettle of fish.
每张床的尾端放有备用毛毯。
Spare blankets lay at the foot of each bed.
你会发现一小堆备用蜡烛。
You will find a little stack of candles in reserve.
将豆腐切丁、芹菜切丝备用。
Dice tofu to be cubes and dice celery to be julienne.
其他人辩称，更切中要害的问题，是备用系统为何会失灵。
Others argue the much more pertinent question is why the backup systems failed.
有些化油器具有备用的燃油阀和入口。
Some carburetors have an auxiliary fuel valve and inlet.
他们从事提供备用小零件的工作。
They are engaged in the supply of small parts for replacement.
把西米倒入过滤网，然后冲凉水备用。
Turn on the cold water and rinse the sago under the water.
随后备用数据将流动到主系统中。
Then the standby data will flow to the primary.
我们可在备用房间睡觉过夜。
We were able to bunk(down) in a spare room for the night.
当一台服务器上发生故障时，那么该备用适配器就从另一服务器上接管所有连接。
When a failure happens on one server, then this standby adapter takes overall connections from the other server.
大象和其他动物可以自由走动而不让天花板刮到它们的头部——那里有着充足的备用空间。
Elephants and other animals could walk freely without scraping their headon the ceiling -- with plenty of room to spare.
如果那时两个适配器中有一个发生故障，那么就没有额外的备用适配器来用作备份了。
If one of the two adapters fails at that point, then there is no additionalstandby adapter to be used as a backup.
另一个服务器是备用成员，因为它的唯一负载是集群复制。
The other server is a standby member because its only load is clusterreplication.
这样可以确保将恢复的文件放到备用的目录，而不是运行中的某个位置。
This ensures that recovered files can be put into a spare directory, and notthe live location.
如果柴油发电机也发生故障，你还有一个备用电池组。
If there is an issue with the diesels, you have a battery backup.
在此情况下，您需要将主要计算机上的数据库作为备用数据库启动，以便这两个数据库重新保持同步。
In this situation, you need to start the database on the primary machine asthe standby to get the two databases back in sync again.
您计划从一个冷系统和还原着手，还是从一个预加载的备用系统着手?
Do you plan to start with a cold system and restore, or a preloaded standbysystem?
之后您可以在不同机器上定义并启动此队列管理器的多个实例，包括一个活动实例和一个备用实例。
You can then define and start multiple instances of this queue manager ondifferent machines, with one active instance and one standby instance.
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