音标：[prai'әunid] ；

n. 锯天牛
a. 锯天牛科的, 与锯天牛科有关的

[单词解析速记].JV447.(Yoke.and.Vapid)

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发表于:2018-12-04 / 阅读(80) / 评论(0)

单词解析速记

常春藤解析英语【62】Five Minutes to Midnight

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It's Not Easy Being a Kid!

It's Not Easy Being a Kid!－儿童英语故事三

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儿童英语故事三

SSS 2008-09-04

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

发表于:2018-12-24 / 阅读(54) / 评论(0)

Scientific American(九)月

【一起闲话英语】去取身份证—Getting an ID card

Transcript: Admin worker: International Student ID card? Student: Yes, thats right. Admin worker: Have you got the form? Student: Yes, here it is. Admin worker: OK, lets see. Name Ahmed, surname Saeed, age 14, address ... (pause) ... oh, whats your a

发表于:2018-12-28 / 阅读(79) / 评论(0)

一起闲话英语-English Chitchat

英语课程计划-World Kidney Day

World Kidney Day is on the 12th of March. It started in 2006 and has grown quickly. In its first year, 66 countries celebrated it and two years later that number rose to 88. The day is a joint venture of the International Society of Nephrology and th

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英语课程学习计划和讲义

[单词解析速记].JV517.(Vivid.and.Inane)

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单词解析速记

[单词解析速记].JV526.(Fidelity.and.Extrovert)

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单词解析速记

[单词解析速记].JV542.(Penchant.and.Intrepid)

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单词解析速记

法律英语：76 What Makes a Contract Valid?

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名人轶事:IdaTarbell,1857-1944: She Used Her Reporting Ski

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名人轶事

SSS 2009-03-02

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its like the molecular version of the Joker and the Riddler teaming up against Batman. Scientists at Yale University have discovered that amyloid beta, a

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Scientific American(三)月

VOA慢速英语2012--Many Congolese Still Need Emergency Aid

Many Congolese Still Need Emergency Aid Humanitarian agencies are still trying to reach thousands of people in the eastern DRC who were displaced by the recent military offensive by M23 rebels. Many of the displaced fear they may have to flee violenc

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VOA标准英语2012年(十二月)

VOA标准英语2012--UN: Millions in Somalia Need Aid

UN: Millions in Somalia Need Aid The U.N. says millions of people in Somalia still require humanitarian aid, despite advances against al-Shabab militants. A new funding appeal has been launched to address the countrys immediate needs and build resili

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VOA标准英语2012年(十二月)

美国国家公共电台 NPR Prion Test For Rare, Fatal Brain Disease Helps Families Cope

RACHEL MARTIN, HOST: Scientists have developed a better test for a very rare brain disease. And as NPR's Rae Ellen Bichell reports, this test could lead to new ways to diagnose more common diseases like Parkinson's and Alzheimer's. RAE ELLEN BICHELL,

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英语新词:这些id后缀单词你理解对了么?

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发表于:2019-01-18 / 阅读(89) / 评论(0)

英文语法词汇

英语语法：42 Did I Tweet or Did I Twitter?

Grammar Girl here. Today I have exciting language news from the new 2009 AP Stylebook. Last week the Associated Press released the updated 2009 edition of its famous AP Stylebook. This is the language rule book used by all the journalists in the Asso

发表于:2019-01-22 / 阅读(66) / 评论(0)

英语语法 Grammar Girl

the Perseid meteor shower

77 流星雨成因探索 Date=8-2-01 Ttle=science report - the Perseid meteor shower Bline=Mario Ritter （Start at 59

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科技之光

A Midshipman

One of my fellow midshipmen at the U. S. Naval Academy was performing poorly in class and reported to his company officer for counseling., Your marks are deplorable! the officer scolded. Is there a problem-that has kept you from studies?No, sir, the

发表于:2019-02-03 / 阅读(92) / 评论(0)

趣味英语

China's new Internet ID policy triggers online discussion

BEIJING, Jan. 3 (Xinhua) -- A policy that requires users to use their real names when registering for Internet access has triggered heated discussion, with some for and some against it. On Dec. 28, China's top legislature passed rules on protecting o

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arc-shaped releasing plate

assembly type

atlee

be stuck on