如何使用 "watchdog" 造句

1. What use is a watchdog that does not bark ?
但是看门狗如果不叫那还有什么用?
2. The press has been called the watchdog of good government .
新闻界一直被称为好政府的看门狗。
3. What happens when nobody hears the watchdog bark ?
要是没人听到看门狗的吠叫,会发生什么事呢?
4. Many watchdog timers have a maximum period of around two seconds .
很多看门狗定时器有一个大约2秒钟的最大周期。
5. A watchdog timer can get a system out of a lot of dangerous situations .
一个看门狗定时器能让系统免于很多危险境地的困扰。