fallback
英 [ˈfɔːlbæk]
美 [ˈfɔːlbæk]
n. 应变计划; 退路
复数：fallbacks
BNC.48596 / COCA.23870
牛津词典
noun
- 应变计划；退路
a plan or course of action that is ready to be used in an emergency if other things fail- What's our fallback if they don't come up with the money?
要是他们拿不出钱，我们如何应变？ - We need a fallback position if they won't do the job.
如果他们不干这个工作，我们就需要一个应变的方案。
- What's our fallback if they don't come up with the money?
柯林斯词典
- ADJ (计划失败或发生意外时)退守的，应变的，备选的
Someone'sfallbackposition is what they will do if their plans do not succeed, or if something unexpected happens.- Yesterday's vote itself was a retreat from an earlier fallback position.
昨天的投票本身就是放弃先前所留退路的做法。
- Yesterday's vote itself was a retreat from an earlier fallback position.
英英释义
noun
- to break off a military action with an enemy
双语例句
- All right, we're going to the fallback.
好吧，我们准备撤退。 - For those less magically gifted, China's Hebei province now has a fallback option.
对于那些魔法天赋不高的孩子，中国的河北省目前提供了一个备选学校。 - Have a plain HTML fallback for browsers you don't support.
拥有一个平面HTML代用系统，以应对您不支持的那些浏览器。 - Fallback policy: This tells whether or not the resource group will fallback.
故障恢复策略：这决定资源组是否执行故障恢复。 - The fallback of a huge explosion. the act of exploding or bursting something.
一次大爆炸的降落物使某物爆裂或爆炸的动作。 - However, Beijing has a fallback plan.
不过，北京方面有一个后备计划。 - Too-big-to-fail is not a fallback position at Berkshire.
“大到不能倒”不会是伯克希尔的退路。 - For functions and constants, if the current namespace does not contain that function or constant, PHP's fallback mechanism will fall back to the standard PHP function.
对于函数和常量，如果当前的名称空间不包含这个函数或常量，PHP的后退机制会后退到标准的PHP函数。 - When an application attempts to encode or decode a character but no mapping exists, it must implement a fallback strategy, which is a failure-handling mechanism.
如果应用程序尝试对字符进行编码或解码，但不存在相应的映射，则应用程序必须实施回退策略（这是一种失败处理机制）。 - The second instance is the default or fallback value if the variable isn't defined in the properties file.
如果属性文件中没有定义变量，那么第二个实例是默认值或回退值。