单词：parabolic nozzle
单词：parabolic nozzle 相关文章
By Jill Moss Broadcast: July 28, 2003 This is Bill White with the VOA Special English Development Report. Millions of people around the world cook their food over a smoky fire every day. It is often d
VOA2003（下）-发展与科学
Lucy likes to finish it off, meaning she likes to finish doing her hair, with a little hairspray. 露西喜欢最后喷一点头发定型剂，意思是她打理头发的最后步骤。 Hairspray, hairspray, (one word) is liquid that you put on a lar
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for when you shut the bellows, the valve cannot close the air-hole because of your finger, 因为, 当你关闭风箱把手时, 你的手指使得阀门无法关闭空气进出的圆孔, and most of the air then escapes through this hole instead of g
英国学生科学读本
外部设施 information desk 服务台 hotel register book 旅客登记簿 registration form 登记表 newsstand 售报处 postal service 邮局服务处 shop 小卖部 bar 酒吧间 lounge 酒店大厅 billiard-room 台球房 dining-room, dining ha
英文语法词汇
mattress 褥子 quilt 被 blanket 毯子 sheet 床单 bedspread 床罩 cotton terry blanket 毛巾被 pillow 枕头 pillow 枕头 pillowcase 枕套 mat 席 cushion 垫子 bathroom 浴室 bath tub 浴盆
考研英语
This is the VOA Special English Development Report. Millions of people around the world cook their food over a smoky fire every day. It is often difficult to find wood for the fire. People who do not have wood must spend large amounts of money on co
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By Greg Flakus Albuquerque, New Mexico 25 July 2007 Large scale collection of solar power arrays As the world searches for ways to produce energy without burning fossil fuel, there is increased interest in solar energy. One place associated with sola
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DEVELOPMENT REPORT – May 13, 2002: Solar Cookers By Jill Moss This is the VOA Special English Development Report. Millions of people around the world cook their food over a smoky fire every day. It
农业与发展
You pump it at a high pressure through a nozzle. You create a spray of detergent. 你用高压将它压过一个喷嘴，你制造了清洁剂喷雾。 Then the spray dries. It turns into powder. It falls to the floor. 喷雾干燥后就成了粉末，
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He was riding the LIRR to Oyster Bay. He saw beautiful scenery everywhere. But he also saw graffiti everywhere. There must be a way to stop graffiti, he thought. He did some research. He developed a design for a graffiti-buster. He presented it to a
英文短篇故事（纽约）
Its been a long time since Ive seen my friends Steve and Liz, and I thought this would be a good weekend to drive up to Santa Barbara to see them. Gas prices have been through the roof, but I decided to take the short road trip anyway. Before getting
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