单词：glimmer zeolite
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[00:19.06]-This gauge cant be right. -Wind speed has dropped to zero. 这块表出毛病了 风速降为零 [00:19.90]We have vertical walls of cirrus cloud formations. 我们遇到了垂直的环状云团 [00:24.38]-What the hell is going on? -The b
听电影学英语-后天
Why refrigerators hum? Why refrigerators hum，on toay's moment of science.On the recent program we have discussed how fluorocarboncoolant cools your food by coming to a boil in coils hidden in your fridge. How is this possible? When you boil water o
英语听力文摘 English Digest
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
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Climate change is the great environmental challenge facing the world today, but maybe we should start calling it Climates Change. Because scientists who've
Scientific American(五)月
By David McAlary Washington 02 February 2006 U.S. government meteorological experts say the global climate condition known as 'La Nina' has returned, heralding a realignment of weather patterns around
2006年VOA标准英语（二月）