单词：Lffler's methylene blue
单词：Lffler's methylene blue 相关文章
UN Assists Sudanese Refugees Fleeing Conflict The U.N. refugee agency continues emergency airlifts to aid thousands of refugees fleeing fighting in Sudan. The fighting between government forces and rebels is taking place in two Sudanese states Blue N
VOA标准英语2011年(十二月)
By Katherine Cole Washington 22 February 2008 Many acoustic bluegrass music fans are leary of the words contemporary and modern, preferring to listen only to songs that stick to the traditional style invented by Bill Monroe in the 1940s. These fans d
VOA常速英语2008年（二月）
Lavender's Blue, Dilly, Dilly Lavender's blue, dilly dilly, lavender's green, When I am king, dilly, dilly, you shall be queen.
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DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher
2018年NPR美国国家公共电台11月
Mary ate a blueberry. She loved blueberries. Then she ate a blackberry. She loved blackberries. Then she ate a strawberry. She loved strawberries. Mary was confused. A blueberry is blue, so you call it a blueberry. A blackberry is black, so you call
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