學英文 EP89｜中高級｜衛星如何改善公共衛生｜How satellites improve public health

透過衛星追蹤，我們可以從太空守護地球！

不論是紫外線、空氣汙染，還是花粉過敏的風險，衛星科技都能提前預警，幫助我們保護健康。從監測當前的健康危害到預測未來幾天的環境變化，這項技術正默默守護著每一個人。

📚 本集文法學習重點：

1️⃣ 時間形容詞（Adjectives of time）

例句：Satellites can keep an eye on the Earth, tracking potential health dangers and assessing current risks to populations.

2️⃣ 篇章標記語（Discourse markers）

例句：What's more, satellites and weather models can also forecast air pollution, associated with numerous adverse health effects.

Story text :

Satellites can keep an eye on the Earth, tracking potential health dangers and assessing current risks to populations. Space tech can provide invaluable aid to public health in multiple ways. For instance, by monitoring UV radiation, which is important as overexposure to UV rays can lead to severe health complications, like skin cancer. Satellites enable us to track and forecast UV radiation up to five days ahead of time. What's more, satellites and weather models can also forecast air pollution, associated with numerous adverse health effects. These forecasts provide instant updates on poor air quality virtually anywhere, which are accessible through different apps. Similarly, satellite services are equipped with tools to track airborne allergens such as pollen. These findings assist individuals with allergies by giving them timely guidance on how to manage reactions to pollen and other particles in the air.

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