(单词翻译:单击)
正文文本
It's been a race against time, building an early warning detection system for earthquakes before it's too late. It's not a question of if, it's a question of when the next big one is going to hit. Now all across Los Angeles, thousands of Angelenos downloading an app that a warned of a 5.0 earthquake or greater, relying on a network of sensors touted as the most advanced in the world.
This is really about precious seconds, you may have five seconds and this gets to you in two seconds and you have three seconds to get underneath a table. The warning could offer people anywhere from a few seconds to over a minute to prepare. That could give emergency rooms a chance to stop operating, trains to slow down, school kids to take cover, countries like Japan and Mexico have had similar systems for years with mixed success. This system, part of a pilot project that'll eventually cover the west coast including Alaska hit with a 7.0 quake in November, promising precious seconds of warning before the ground starts to shake.
参考译文
地震面前,人们一直都要与时间赛跑,所以很有必要建立一个地震预警探测系统,以免人们知道地震发生时为时已晚
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重点讲解
重点讲解:
1.all across遍及
They applied this principle all across the Roman Empire.
他们在整个罗马帝国中应用这一原则 。
2.slow down减慢
Slight difference because of air resistance, it will slow down a bit.
因为空气阻力的关系,下降的时候稍微慢了一点点 。