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
- In international applications the recommended method of selecting Fonts is to use font fallback wherever possible.
在国际化应用程序中，选择字体的推荐方法是尽可能使用字体后备。 - However, Beijing has a fallback plan.
不过，北京方面有一个后备计划。 - A fallback on a user class causes the compiler to assume the current namespace.
用户类上的后退会让编译器假设使用当前的名称空间。 - All right, we're going to the fallback.
好吧，我们准备撤退。 - The downside of this method is that two reboots are needed in case of a fallback.
这个方法的缺点是回滚时需要两个启动方式。 - Also, though not reflected in this table, there are global settings for fallback mechanisms if some of the contributing components do not provide any caching-related information.
另外，如果某些提供信息的组件没有提供任何与缓存相关的信息，则可以使用后备机制的全局设置，不过这一点没有在此表中得到体现。 - 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。 - 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）。 - 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。 - 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。