a short time before的意思|示意

In short, it will be a long time before anybody consumes any of this.

总之，这将是一个漫长的时间才能消耗任何人的。

Most float on water only a short time before they tire, sink, and drown.

大多数浮在水面上的时间很短，之后它们就会疲劳、下沉、淹死。

Currently, the most modern systems for predicting earthquakes find them only a short time before the event.

目前最现代的地震预测系统只能在地震发生前很短时间内预警。

The reason of it is, that after the appearance of the entrance-spark it takes a short time, before the exit-spark appears.

原因是这样的。 先出现的“入端火花”与较后出现的“出端火花”，先后有一段很短的时差。

After the light was turned off, the rat had to wait a short time before it was released form its cage.

在把灯关掉以后，必须让这个老鼠等待一段短时期，这才把它从鼠笼中放出赴。

If you've tried to quit before, review any successes you've had. What worked, even if only for a short time?

如果你曾经尝试过戒烟，回想一下有过哪些成功的地方，哪一些方法奏效了，即使它们只持续了很短的一段时间。