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Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? 有件事情我们总觉得理所当然：室温下把一些冰块放入水中，
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How Does Ice Cool Drinks? Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? Heat is a measure of molecular activity: the faster a
英语听力文摘 English Digest
Climate Puzzles 气候之迷 Scientists who predict Earth's future climate wish they knew how climate has changed in the past few thousand years. Learn more about modeling global climate -- today on Earth and Sky. JB: This is Earth and Sky. Most scienti
(科普英语)Earth and Sky
AS IT IS 2015-07-12 Intense Heat May Be Linked to Climate Change 酷热现象可能与气候变化有关 A massive heat wave is killing people in many countries around the world. Victims need water and other cooling measures. Untreated heat stroke ca
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9 Environmental matters 9 环境问题 Some useful phrases. 有用表达。 Listen to the recording and repeat. 听录音，跟读。 Plastics aren't bio-degradable. 塑料制品不能生物降解。 They don't break down easily in the environment. 它
职业技术英语口语
STEVE INSKEEP, HOST: When Hurricane Harvey dumped 50 inches of rain on Houston, the floodwater a drain somewhere. Much of it went to the Houston Ship Channel, and it brought along a lot of contamination. Now scientists are sampling the channel mud to
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