Listening practice: The laser ruler that hears space ripple
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7/7/2026 · 7:47
Listening practice: The laser ruler that hears space ripple
An English listening episode for senior high students about gravitational waves, LIGO, and how laser interferometers can detect tiny ripples in space-time.
节目导览
本期练习围绕 gravitational waves 和 LIGO 展开。第一遍先完整听英文，抓住「时空涟漪从哪里来」和「激光如何测量极小变化」两条主线；中段用中文梳理关键词、数字听法和长句结构；最后再完整复听同一段英文。
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