单词:pallet knife
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This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on f
036 The Old Street Lamp There once was an old street lamp standing on a remote corner of a town. The street lamp was worn out because he stayed up all night for several years to shine in a dark street. That's why he had to be replaced by a new lamp.
Stars, Bulbs, and Light Pollution 都是光害的! Our ancestors enjoyed a cleaner world. The water and air were cleaner, and when people went out at night, they could look at the stars above and ask questions about our place in the universe. Nowad
AMERICAN STORIES - No Place to Hang the Lantern By John Wotarua Broadcast: Saturday, November 27, 2004 Now the Special English program American Stories. John Wotarua Our story today is called
Lesson 25 [00:10.95]第二十五课 [00:12.36]Just speak [00:11.86]说 [00:11.36]Dad, look at the lamps.They're so nice! Can I have one,please? [00:14.63]爸爸,看这盏灯.它们是如此漂亮! 我可以拥有一盏吗? [00:17.91]Sure! [00:17.41]可
Black Eyed Peas新单曲Rock That Body在本周Billboard排行榜上打入前十,这也是他们新专辑《The End》中第五首Top 10金曲。 这张专辑的首支单曲《Boom Boom Pow》在2009年4月首次问鼎全美冠军。 Black Eyed Pea