4/7/2026 · 7:45

Listening practice: The seconds before the shaking arrives

An English listening episode for senior high students about earthquake early warning, why P waves can trigger alerts before stronger shaking, and why a few seconds can still matter.

Listening practice: The seconds before the shaking arrives
0:007:26

节目导览

本期听力围绕 earthquake early warning 展开:地震预警为什么不是预测,P waves 和 S waves 的速度差如何给预警系统争取几秒钟,以及为什么几秒钟仍可能帮助人和机器采取保护动作。
收听建议:第一遍先不要看词汇,抓住 not prediction, but detection 这个核心对比;中间中文提示会解释关键词和长句;最后再完整复听英文原文。

本期关键词

  • earthquake early warning:地震早期预警
  • P waves / primary waves:初至波或纵波
  • S waves / secondary waves:横波
  • shaking intensity:晃动强度
  • sensor:传感器
  • deliver a warning:发送预警
  • late alert zone:来不及提前预警的近震源区域
  • Drop, Cover, and Hold On:伏地、遮挡、抓牢

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