na. 阻碍；延迟；〈非正式〉花费
[网络] 推迟；推迟，延缓；使退步

"Atoms for Peace"

M adam President and * Members of the General Assembly: When Secretary General Hammarskjolds invitation to address this General Assembly reached me in Bermuda, I was just beginning a series of conferences with the Prime Ministers and Foreign Ministe

发表于:2018-12-30 / 阅读(392) / 评论(0)

名人演讲

美国经典英文演讲100篇:Atoms for Peace

[AUTHENTICITY CERTIFIED: Text version below transcribed directly from audio. (2)] *Madam President and* Members of the General Assembly: When Secretary General Hammarskjold’s invitation to address t

发表于:2018-12-30 / 阅读(94) / 评论(0)

美国经典英文演讲100篇

SSS 2010-07-15

Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethings wrong. Or can it? M.I.T. researchers say theyve developed a fiber that would allow clothing to eventually do those things. Their study is in

发表于:2019-01-08 / 阅读(41) / 评论(0)

Scientific American(七)月

英语短文：The source of Energy

The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-01-08 / 阅读(87) / 评论(0)

英语小短文

北师大版高中英语模块7--Unit 21 Lesson2-1

[00:03.08]Unit 21 Human Biology Lesson 2 Brain Power [00:09.67]Exercise 2 Listen to a science lesson. [00:13.42]Use the strategies to complete the gaps [00:15.74]in this summary. [00:22.96]Right, the topic of today's lesson [00:25.59]is the brain. [0

发表于:2019-01-10 / 阅读(223) / 评论(0)

北师大版高中英语模块7(选修)

VOA慢速英语20060208b

EXPLORATIONS - Nanotechnology: How the Science of the Very Small Is Getting Very BigBy Mario Ritter Broadcast: Wednesday, February 08, 2006 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith

发表于:2019-01-16 / 阅读(58) / 评论(0)

2006年慢速英语（二）月

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学英语单词

a rack

afterpainss

air pollution environmental problem

Apium graveolens L. var. rapaceum DC.

asynchronous channel

automatic cutter grinder

automatic jigger