实验室用混砂机

06 Working in a Laboratory lab laboratory; a place where scientists and engineers work, conductingexperiments and tests* Students have to wear protective eyeglasses whenever they go into the lab. colleague co-worker; a person whom one works with, usu

发表于:2018-12-03 / 阅读(110) / 评论(0) 分类 2010年ESL之商务英语

That afternoon, the children attended the Music Appreciation workshop in the auditorium. As they slid into their seats, Victor tapped his baton for attention. The audience fell silent. In order to appreciate music, he began, one should know something

发表于:2018-12-06 / 阅读(80) / 评论(0) 分类 45 The Mystery of the Stolen M

THIS IS AMERICA - Exploring the Art of Rhetoric STEVE EMBER: Welcome to THIS IS AMERICA in VOA Special English. Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith. This week on our program, we learn about the art of rhetoric and tell you about

发表于:2018-12-07 / 阅读(57) / 评论(0) 分类 2011年VOA慢速英语(十一)月

Millions of people worldwide have been reported missing. Many of them went missing as a result of armed conflicts, such as the war in Syria, or in other places of violence. Large numbers of people disappear after natural disasters. A new laboratory e

发表于:2018-12-08 / 阅读(83) / 评论(0) 分类 2017年VOA慢速英语(十一)月

Dogs Can Recognize How You Feel 狗可以识别你的喜怒哀乐 So you think you know your dog. But how well does your dog know you? She probably recognizes you when she sees you. But can a dog tell by simply looking at you whether you have a happy

发表于:2018-12-08 / 阅读(54) / 评论(0) 分类 2015年VOA慢速英语(二)月

President Trump has gotten personal in a new tweeting tirade against James Comey calling him quote a slimeball, a leaker and a liar and the worst FBI director in history by far. Comey meanwhile is also speaking out. I dont know whether the current pr

发表于:2018-12-08 / 阅读(71) / 评论(0) 分类 VOA标准英语2018年(四月)

[00:00.00]Unit 6 In the laboratory [00:04.70]1.Listen,read and practice in pairs. [00:11.47]Do you like to do experiments in a laboratory? [00:16.54]What is a science class like? Let's see what these people are doing. [00:23.90]Teacher:Good morning,e

发表于:2018-12-29 / 阅读(177) / 评论(0) 分类 澳大利亚中学英语

THE PRESIDENT: It's been a pleasure of my presidency to get to know the leaders of Rolling Thunder. For our fellow citizens who don't know Rolling Thunder, Rolling Thunder is the moment in time here in Washington, on Memorial Day Weekend, when thous

发表于:2018-12-30 / 阅读(50) / 评论(0) 分类 美国总统每日发言

Melody led them to the lobby. She stopped before a glass case on the wall. Pointing to several sheets of music displayed inside, she said, Look at those! Arent they amazing? a woman who had been staring at them said. Benny didnt see anything special

发表于:2018-12-31 / 阅读(60) / 评论(0) 分类 45 The Mystery of the Stolen M

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: a Web site that offers an interesting look at United States life and history, through examples of how Americans use rhetoric, the language of persuasion. RS: Michael Eidenmuller i

发表于:2019-01-18 / 阅读(68) / 评论(0) 分类 英语单词大师-Word Master

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Imagine that you are sitting down to

发表于:2019-01-19 / 阅读(102) / 评论(0) 分类 环球英语 Spotlight

Tsinghua University released the initial investigation results provided by Haidian Public Security Bureau a few days ago, which revealed that a hydrogen cylinder exploded accidentally, and the whole lab then caught fire. Meng Xiangjian died as the re

发表于:2019-01-19 / 阅读(129) / 评论(0) 分类 2015CRI中国国际广播电台

Business 商业 Trademark bullying 商标欺诈 Shut your kale-hole 闭上你的臭嘴 What's in a name, anyway? 无论如何,商标中能有什么呢? CHICK-FIL-A sells an average of nine sandwiches per second at its roughly 1,600 restaurants. 托

发表于:2019-01-26 / 阅读(78) / 评论(0) 分类 经济学人商业系列

By Paul Sisco Washington 02 May 2007 Americans are celebrating a new arrival to Washington D.C. -- one that is 500 years old. VOA's Paul Sisco explains. America's birth certificate on display at the U.S. Library of Congress Across from the U.S. Capit

发表于:2019-01-30 / 阅读(90) / 评论(0) 分类 2007年VOA标准英语(五月)

By Zulima Palacio Washington 08 May 2008 Although the government and researchers halted most clinical trials for an AIDS vaccine, a research institute in Baltimore continues its work on the most deadly virus of our times. Vaccine trials were stopped

发表于:2019-02-04 / 阅读(126) / 评论(0) 分类 VOA标准英语2008年(五月)

Lisa Bryant | Paris 10 April 2010 French director Roselyne Bosch takes part in a special tv show on The Rafle du Vel'd'Hiv (the great round-up or great raid of the Vel'd'Hiv) on the occasion of the release of her movie La Rafle, 15 Feb 2010, in La Pl

发表于:2019-02-05 / 阅读(67) / 评论(0) 分类 VOA标准英语2010年(四)月

MADRID, Dec. 6 (Xinhua) -- FC Barcelona striker Leo Messi spoke on Thursday about the moments of worry he felt after going down clutching his knee during Wednesday night's Champions League tie against Benfica. Messi collided with Benfica keeper Artur

发表于:2019-02-09 / 阅读(89) / 评论(0) 分类 英语新闻

Lion Conservation Challenges Giraffe Protection The giraffe is an icon of the African savannah. The lion is the top predator of the ecosystem. Both animals face uncertain futures, and both are subjects of intense, ongoing conservation work. Now a stu

发表于:2019-02-13 / 阅读(109) / 评论(0) 分类 2018年科学美国人2月

Fifty years ago, President Lyndon Johnson declared a war on poverty. The success or failure of that war has been debated ever since. As part of our anniversary coverage, NPR's Pam Fessler is reporting on the difficulties of living in poverty and on h

发表于:2019-02-16 / 阅读(52) / 评论(0) 分类 英语语言学习

Broadcast on COAST TO COAST: June 17, 2004 AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: a Web site that offers an interesting look at United States life and history, through examples of how Americans use rhetoric, the langua

发表于:2019-02-16 / 阅读(115) / 评论(0) 分类 词汇大师(Wordmaster)
学英语单词
acid-frac
barbershop quartets
Brooks, Phillips
Bu'ayjā
chronic inflammation
Circaea mollis
clear customs
cleft cutting
close breach of
closing pseudo text delimiter
combined steam-gas turbine propulsion plant
communicate in
complete culture solution
Corydalis tianshanica
Csikeria
double intended circle
elsehow
endless rope way
Endocistobil
epitheliomorph layer (or epithelial-like layer)
exonymy
extend assembler
fabalis
fatigue breakage
feeding pattern
flash of hope
fundamental reflection
gold-weights
gouvernement
hassaguay
Heitersheim
high explosives
huaiyuan movement
indeterminable
Isoglossa
isohydric shift
kaliphs
kolbeckine
Kyffin, Mt.
lance-pointed needle
Lemu
Linhe
lint inder
lipogenous
little darling
Lukala
Lycopodium selago
magnetic balance type
methane sulfonate phentolamine
moneybox
Morbam
morula uva
MSTR
neo-puritan
nonhomogeneous population
Ombolata
open - door policy
optical strip
pack cementation coating
patases
pathological grading
perforated-plate column
periaster
permutation network
philadelphus purpurascens (koehne) rehd.
portal monitor
practical value
pre-tender
precision plotter
quantized interaction
rat bike
Santa Vittoria, Mte.
Scottish terrier
scrub-birds
scurrilously
Selaginella involvens
sequens
signature generator
smooth out something
somatoderma
species transformation
spreading unit
stigmatism
stirred type cryctallizer
strike a note
subcritical temperature
SYNON
taws
teleporter
territorial economiy
thermal bottle
thermal shift
thouner
to the best of one's remembrance
touring sides
transubstantiator
ureteric bud
Vabres-l'Abbaye
W. V. Quine
worst case condition
yayness