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Cake Mixes And High Altitude Directions Look on the side of a cake mix box and you might find special directions for baking the cake at high altitudes. Why do bakers gave to adjust their cake ingredients when they live at higher elevations? Because a
英语时差8，16
The Rolling Boil That Cools Your Food When you think of something boiling, you probably picture a pot on the stove, but theres another kitchen appliance that brings liquid to a boil, not to heat food, but cool it. It sounds crazy, but household refri
英语听力文摘 English Digest
A robot entered a damaged reactor at Japan's Fukushima nuclear plant this week to take pictures of the reactor destroyed by an earthquake and tsunami in 2011. The robot, nicknamed 'The Little Sunfish,' is very small about the size of a loaf of bread.
2017年VOA慢速英语(七)月
Mantle 地幔 We are living on the surface of the Earth. 我们生活在地球表面。 So, what is inside the Earth? 那么，地球内部是什么？ There is a mantle under the surface of the Earth. 地球表面以下是地幔。 The mantle takes
与美国小学生一起学英文第7册
Fusion is how stars produce energy. It occurs when the nuclei of light atoms, such as hydrogen, are fused together under extreme pressure and heat. Tokamak Energy, from Oxfordshire, believes that the third version of their compact, spherical tokamak
2015CRI中国国际广播电台
By Stephanie Ho Washington 15 July 2007 U.S. National Security Advisor Stephen Hadley says Washington still has concerns about North Korea's nuclear program, despite Pyongyang's decision to shut down its main plutonium reprocessing facility. VOA's St
2007年VOA标准英语（七月）