Listening practice: The satellites that weigh water
0:009:38
25/6/2026 · 7:47
Listening practice: The satellites that weigh water
An English listening episode for senior high students about GRACE and GRACE-FO satellites, groundwater depletion, and why invisible freshwater can be measured from space.
节目导览
本期是一集高三英语听力训练：先完整听一遍英文科普叙述，再用中文梳理关键词和长难句，最后重听同一段英文原文。
主题围绕 GRACE 与 GRACE Follow-On 卫星。它们不直接拍摄地下水，而是通过地球重力场的微小变化，帮助科学家追踪土壤水分、地下水和陆地水储量的变化。本期重点练习这些表达：groundwater, gravity, mass, soil moisture, terrestrial water storage, depletion, sustained pumping, recharge, forecast。
听前提示
第一遍先抓主线，不要逐词翻译：看不见的地下水有质量，质量会影响重力；卫星测到的微小距离变化可以转化为水储量线索；如果人类抽水快于自然补给，地下水这个「银行账户」就会变少。
来源
- NASA GRACE Mission: 15 Years of Watching Water on Earth
- NASA, University of Nebraska Release New Global Groundwater Maps and U.S. Drought Forecasts
- US-German Water Satellites Show Continental Dry Spots Are Getting Drier
- Unprecedented continental drying, shrinking freshwater availability, and increasing land contributions to sea level rise
- Groundwater Decline and Depletion, U.S. Geological Survey
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