切土圆盘刀

中学英语课程标准词汇表（简易袖珍背诵版）D2

dial ［5daiEl］vt. 拨（电话号码） redial重拨 dialogue［5daiElC^］ (美 dialog) n. 对话 diamond ［5daiEmEnd］n. 钻石，金刚石；纸牌中的方块 diary［5daiEri］ n. 日记；日记

发表于:2019-01-09 / 阅读(70) / 评论(0)

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北师大小学英语六年级上--unit5（2）

[00:02.71] [00:06.33]Listen to This [00:09.68]Write the number [00:12.85]1.This computer isn't working. [00:17.24]You should turn it on first! [00:20.87]2.I want to use the Internet. [00:25.15]You should ask your parents to help you. [00:29.55]3.Is t

发表于:2019-01-09 / 阅读(163) / 评论(0)

北师大版小学英语六年级上

Bladeless Wind Generator Safe for Birds

Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t

发表于:2019-01-12 / 阅读(73) / 评论(0)

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Bird-friendly Bladeless Wind Turbine Mimics Nature

Bird-friendly Bladeless Wind Turbine Mimics Nature Energy created by conventional three-blade wind turbines is cheap, sustainable and pollution-free. But according to current estimates, the devices' fast-moving blades kill up to 300,000 birds annuall

发表于:2019-01-14 / 阅读(90) / 评论(0)

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闭着眼睛飘单词四级词汇22

[0:0]discourage disgust disk dismiss [0:46.4036]disorder display disposal dispose

发表于:2019-01-16 / 阅读(80) / 评论(0)

闭着眼睛飘单词四级词汇

美国国家公共电台 NPR Review: 'Blade Runner 2049' Will Satisfy Fans As It Expands On Original

ROBERT SIEGEL, HOST: Ridley Scott's science fiction film Blade Runner was a modest hit in theaters in 1982 and a massive one later on video. Scott's punk noir dystopia initially got mixed reviews, but the director kept re-cutting his film. And by 200

发表于:2019-01-16 / 阅读(52) / 评论(0)

2017年NPR美国国家公共电台10月

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alternating current servo mechanism