单词：erbium oxalate
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[00:00.00] [00:00.00]73 Color and Life [00:04.52]Color can not only reflect one's personality but also influence one's mood. [00:12.43]What color do you like? Do you like yellow, orange or red? [00:18.94]If you do, you must be an optimist, a leader,
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WASHINGTON A massive renewable energy project could change the seascape of the Welsh city of Swansea in coming years. The plan is to encase the city's lagoon in a horseshoe-shaped causeway that will serve as a giant tidal generator. The four-year pro
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You've heard about them, and maybe seen them in movies as they [dict]smash[/dict] apart ocean liners, or wash whole cities into the sea. What causes[dict] tidal [/dict]waves, and how are they different from the ordinary waves that wash against our co
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Washington's Cherry Blossoms Signal the Start of Spring 华盛顿樱花再度盛开 EDITOR'S NOTE: This year, the U.S. National Park Service turns 100. Americans 28th President, Woodrow Wilson, formed the National Park Service in 1916 to protect the
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Once again the migratory birds, the Godwits are arriving in New Zealand from Alaska. They arrive in groups, usually the second or third week in September. Because of the earthquake damage to the Cathedral, Christchurch cannot ring the Cathedral bells
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