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蕾切尔卡逊（Rachel Carson，1907年5月27日－1964年4月14日），美国海洋生物学家，她的作品《寂静的春天》（Silent Spring）引发了美国以至于全世界的环境保护事业。 Rachel Carson (19071964) was a pioneer
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Rachel Carson (19071964) was a pioneer of the global environmental movement through her writing about conservation. Her 1962 book Silent Spring made her famous. It describes the harmful effects on the environment of using toxic chemicals on farmland.
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AGRICULTURE REPORT - Fish Farming By Mario Ritter Broadcast: Tuesday, June 15, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Fish is an important food for many people. In s
农业与发展
LA Museum Takes Visitors Outdoors to Showcase Nature For some of these young students, it's their first time getting hands-on experience in a garden. Teacher Eva Eng says her students have been learning about plants in science class. Oh, they really
VOA标准英语2012年(四月)
RACHEL MARTIN, HOST: The warming climate means some dramatic changes - more floods, intense wildfires, extreme heat, other changes you may not notice as much. As part of our Summer Series, NPR's Nathan Rott reports from the Rocky Mountains where risi
2018年NPR美国国家公共电台7月
Adapting To Change Should Be Natural I noticed that the leaves on most of the trees in the woods where I often take my dogs have started to change color. Normally, they are green but during the autumn season here in eastern Canada, they start to turn
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