备用的英文：
reserve
spare
alternate
backup

参考例句：
  • A further concrete pump of the same type is available on a standby Basis.
    还有一台同样类型的混凝土泵作为备用。
  • Improvised a dinner for the unexpected guests;improvise a makeshift tourniquet.
    为不速之客准备晚餐;提供备用的止血带
  • We take thermos of hot coffee to drink when we go cross - country skiing.
    我们去越野滑雪时带了几保温瓶备用的热咖啡。
  • The 41-meter wide deck carries six traffic lanes and two emergency standby lanes, as well as cycle tracks and footpaths.
    这座桥桥面宽41米,有6个车道和两个应急备用车道,还有自行车道和人行道。
  • emergency panel
    备用配电盘
  • invoke emergency powers.
    求助紧急备用部队。
  • To nourish talents for future use
    储林备用
  • Spare tyre extra wheel for a car,etc
    (汽车等的)备用车轮.
  • This is called reserve capacity.
    这就称为备用容量。
  • Ship biscuit( used formerly as food during long voyages )
    硬饼干(旧时远航备用的)
reserve是什么意思：
v. 储备，保留；预订；推迟
n. 储备（物）；储藏量；储备金；自然保护区；替补队员；内敛；后备军
adj. 保留的；预备的
  • reserve decision
    推迟判决
  • For example,hotel reservation,ticket reservation,restaurant reservation and so on.
    比如说，旅馆预订，票子预订，餐厅预订等。
  • They have reserved a box for us in the theatre.
    他们在剧院为我们预订了一个包厢。
spare是什么意思：
adj. 备用的；预备的；剩下的；空闲的；瘦削的；简单的；不加修饰的
v. 剩余，剩下；抽出，拨出；使免遭伤害；使幸免；不让…难堪
n. 备用零件，备用轮胎
  • a reserve supply of food; a spare tire; spare parts.
    食物供给储备；备用轮胎；机器备件。
  • Spare the rod and spoil the child.
    省了棍子，害了孩子。
  • Spare the rod and spoil the child.
    棍棒之下出孝子。
alternate是什么意思：
adj. 轮流的，交替的，间隔的
n. 候补者；替换物
v. （使）交替，轮流
  • Are there alternatives to prison?
    除了监禁还有其他办法吗？
  • should alternately present as undulate .
    激情平淡应呈波浪形交替出现。
  • There are two reasonable alternatives.
    有两个合理的替代方案。

到沪江小D查看备用的英文翻译>>

翻译推荐：