单词：minimum light-absorption
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导购口语: Let me introduce the main functions of this set of stereophonic phonograph. 让我介绍一下这套立体声组合音响的主要功能。 When the heat comes to a certain degree, a red light will go on and the electricity will be cut
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Leaves Inspire Better Solar Panels What do leaves and solar panels have in common? Both absorb sunlight and turn it into energy. But while solar panels typically have smooth surfaces, leaves have tiny wrinkles and folds that allow for maximum light a
英语听力文摘 English Digest
Imagine a world where sunlight can be captured to produce electricity anywhere, on any surface. The makers of thin-film flexible solar cells imagine that world too. But a big problem has been the amount of silicon needed to harvest a little sunshine.
Scientific American(二)月
New design produces flexible panels using only 1-2 percent as much silicon Art Chimes | Washington, DC 19 February 2010 You can use 100 times less silicon. And that's potentially very significant. Harry Atwater Schematic diagram of the light-trapping
VOA标准英语2010年(二月)
今天我们要学的词是hazing。 Hazing, 是捉弄新生或是新成员的意思。美国马里兰大学的一个兄弟会不久前被校方解散。The fraternity was reportedly involved in hazing, 据说这个兄弟会有捉弄新成员的传统。
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今天我们要学的词是hazing。 Hazing, 是捉弄新生或是新成员的意思。美国马里兰大学的一个兄弟会不久前被校方解散。The fraternity was reportedly involved in hazing, 据说这个兄弟会有捉弄新成员的传统。
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