[=50% effective eoncentration]半数有效浓度

英文有声畅销书-秘密 4-09 When I Discovered The Secre

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有声畅销书-秘密

英文有声畅销书-秘密 4-08 The Secret To You

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有声畅销书-秘密

诵读英语语法第二册(上册) Unit50

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诵读英语语法第二册

"Have You No Sense of Decency"

Senator McCarthy : Mr. Chairman, in view of that request by Mr. -- Senator Mundt : Point of Order? Senator McCarthy : Not exactly, Mr. Chairman. But in view of Mr. Welch's request that the information be given once we know of anyone who might be per

发表于:2018-12-30 / 阅读(441) / 评论(0)

名人演讲

字源大挪移 Prefix - 表示方位的字首 18 e-,ec-,ef-,

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英文魔法师字源大挪移

英文有声畅销书-秘密 3-08 Everything You Want-Secret

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有声畅销书-秘密

英文有声畅销书-秘密 3-09 Chapter 6-The Secret To Rel

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有声畅销书-秘密

英文有声畅销书-秘密 3-02 The Knowledge Of The Secret

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有声畅销书-秘密

英文有声畅销书-秘密 3-01 The Secret To Money

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有声畅销书-秘密

英文有声畅销书-秘密 4-01 The Secret To The W

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有声畅销书-秘密

有声畅销书-秘密 2-22 The teachers of The Secret

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有声畅销书-秘密

有声畅销书-秘密 2-14 Secret Summaries

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有声畅销书-秘密

有声畅销书-秘密 2-08 The Secret and Your Body

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有声畅销书-秘密

有声畅销书-秘密 2.01 How to Use the Secre

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有声畅销书-秘密

2007年VOA标准英语-Lebanon's Parliament Puts Off Presidential Elec

By Edward Yeranian Beirut 25 September 2007 Lebanon's parliament has failed to attain the required two-thirds quorum to elect the country's next president, forcing a postponement of the electoral session to October 23. Edward Yeranian reports for the

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2007年VOA标准英语（九月）

The Amazing Secret Behind All Habits

The Amazing Secret Behind All Habits 21 days for a habit to sink in Habits must have positive reinforcement You must go cold turkey for a real habit to sink in Have you ever heard these myths about habits? They may not be necessarily wrong, but they

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阅读空间

7 Secrets of the Super Organized

7 Secrets of the Super Organized A few years ago, my life was a mess. So was my house, my desk, my mind. Then I learned, one by one, a few habits that got me completely organized. Am I perfect? Of course not, and I don't aim to be. But I know where e

发表于:2019-02-07 / 阅读(186) / 评论(0)

阅读空间

英语畅谈中国文化50主题 50

发表于:2019-02-08 / 阅读(190) / 评论(0)

英语畅谈中国文化

New US Defense Secretary Confirmed

CAPITOL HILL The U.S. Senate has confirmed President Barack Obamas pick for defense secretary, Chuck Hagel, after a bruising nomination battle that saw widespread Republican opposition to the former Republican senator by a vote of 58 to 41. Hagel wil

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英语新闻

Lew sworn in as U.S. Treasury Secretary

WASHINGTON, Feb. 28 (Xinhua) -- In a ceremony hosted by President Barack Obama at the White House on Thursday, Jacob Lew was sworn into office as the 76th U.S. Treasury Secretary, the Treasury Department said. The oath of office was administered by V

发表于:2019-02-17 / 阅读(211) / 评论(0)

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2-methyl-1-butanol

Aach-Linz

actual division of the sentenc

asynchronous addition

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