实验室振荡器

Rob: Hello and welcome to 6 Minute English from BBC Learning English. I'm Rob and with me is Finn. Finn: Rob: Finn? Are you ok? Finn: (breathes out) Ahhh 49 seconds I was just holding my breath! Rob: A new hobby of yours, Finn? Finn: Well today we're

发表于:2018-11-29 / 阅读(241) / 评论(0) 分类 六分钟英语

841 、 埋头铆钉 countersinkheadrivet 842 、 埋头锥孔 countersink 843 、 埋头螺栓 countersinkheadbolt 844 、 埋头螺丝 countersinkheadscrew 845 、 埋头钻 countersinkdrill 846 、

发表于:2018-11-29 / 阅读(240) / 评论(0) 分类 英文名句短语

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(162) / 评论(0) 分类 2010年ESL之商务英语

04 美国的航空航天技术 DATE=2-21-01 TITLE=EXPLORATIONS #1940 - Space Digest BYLINE=Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with the VOA Special En

发表于:2018-12-07 / 阅读(154) / 评论(0) 分类 科技之光

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(139) / 评论(0) 分类 2017年VOA慢速英语(十一)月

[ti:UNIT 2 DNA Lesson 13 Clones Are the Same] [0:00.788]UNIT 2 第二单元 [0:02.442]DNA [0:05.530]Lesson 13: 第13课: [0:07.106]Clones Are the Same 克隆人是一样的 [0:09.703]THINK ABOUT IT! 想一想! [0:11.155] You have a pet that you l

发表于:2018-12-10 / 阅读(255) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

[00:42.81]Lesson 1 1 Dialogue [00:48.46]Four doctors are at a medical conference. [00:53.32]A:Which speech are you going to listen to this afternoon? [00:58.36]B:I haven't decided.There's a talk on cancer that might be quite interesting, [01:05.23]so

发表于:2018-12-13 / 阅读(229) / 评论(0) 分类 高中英语人教版高三

[00:02.25]第一单元 居里夫人 [00:04.49]Lesson 1 [00:05.97]第一课 [00:07.44]1 Dialogue [00:09.21]1 对话 [00:10.97]Four doctors are at a medical conference. [00:13.34]四个医生在医学会议上 [00:15.70]A:Which speech are you going to

发表于:2018-12-13 / 阅读(250) / 评论(0) 分类 高中英语人教版2000年高三

[00:08.59]Lesson 9 1.Read and act [00:14.24]Hey Kevin,where did you say you were born? [00:18.78]I was born in Michigan,USA. [00:23.01]There are a lot of lakes up there,aren't there? [00:27.56]Yeah,I lived on Lake Superior. [00:31.40]Have you ever sw

发表于:2018-12-18 / 阅读(305) / 评论(0) 分类 人教版九年级英语

[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(291) / 评论(0) 分类 澳大利亚中学英语

kneel vi.跪(下) knife n.小刀,餐刀 v.用刀刺(切) knock n.敲,敲打;碰撞 v.敲,打;碰,撞击 knot n.结;节,疤 v.打结,捆扎 know n.知道,了解;会,懂;认识,熟悉 knowledge n.知识;熟悉,了解 lab

发表于:2018-12-30 / 阅读(110) / 评论(0) 分类 大学英语四级词汇拼读版

Keeping Time With Quartz Most people know that wrist watches commonly contain quartz. In fact, if you wear a watch, chances are its a quartz watch, since most watches is made today use quartz. But, you may not know what quartz has to do with keeping

发表于:2018-12-31 / 阅读(144) / 评论(0) 分类 英语听力文摘 English Digest

[0:0]lable laboratory lad lag标签,标记 实验室 男孩,小伙子 落后,滞后 [1:9.3533]lamb landlord landscape lane羔羊,小羊 地主,房东,店主 风景,景色 小路,小巷 [1:52.8522]largely laser latter laughter大部分,主要地 激光器 后者的,末了的 笑,笑声 [2:36.6

发表于:2019-01-16 / 阅读(261) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

EDUCATION REPORT - University of Virginia Is New Home for 'Semester at Sea'By Nancy Steinbach Broadcast: Thursday, January 12, 2006 I'm Faith Lapidus with the VOA Special English Education Report. Thr

发表于:2019-01-16 / 阅读(149) / 评论(0) 分类 2006年慢速英语(一)月

引导定语从句的关系代词who,which有时可与that互换使用。但在下面情况,一般只用that. 一、当先行词为不定代词anything, everything, nothing, any, little, one, few, much, all, none等时。如:

发表于:2019-01-17 / 阅读(132) / 评论(0) 分类 英语口译

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(171) / 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(198) / 评论(0) 分类 2015CRI中国国际广播电台

67 维生素C能否破坏DNA? DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(173) / 评论(0) 分类 科技之光

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(196) / 评论(0) 分类 VOA标准英语2008年(五月)

Listen to the nurse's descriptions and check the name of the places where the patient should go. 1.Take this examining sheet with you. Then, go to the third floor to do the blood test. 2.Here's the doctor's prescription. Go downstairs to pick up your

发表于:2019-02-17 / 阅读(122) / 评论(0) 分类 英语听力练习题
学英语单词
a railway juncture
acidaemias
action control
algorithm logic
appropriation of net income
arucase
assembly order costs
at regular interval
automatic system for measuring magnetic characteristics
automatic vertical index
backarapper
Bisalate
bit-slice computer
buried channel
butane-butylene fraction
call ... attention to
cam cutting lathe
claton
clyack
continentive
cost component
crescent roil
cumulative relative frequency polygon
Damoiseau's sign
Disodiumedetate-Cetrimide
dot density
downtown
DROMAIIDAE
edge knurling machine
electrosurgical
engraved-on-stem thermometer
erect film
fabronia ciliaris
field slaves
fixed teeth
flat-sharing
frequency allocation (assignment)
frozen desserts
gauming
Gerhardt's reaction
gluceptate
graphics based
grippage
He-Ne
Hemingfordian
homolosine projection
hound band
hsuehshan stage
hupman
indirect recirculation
induced field
integrating divider
interspinal plane
juvenile stage
Khugaung
large area of lacustrine soils
limiting
line-up
Losite
machain
main root
matched vertex
mediocriture
memorizations
microtus ochrogasters
minitape
morlop
neoschoengastia posekanyi
neuroculo-angiomatosis
nocardiasis
noncholestatic
on the pounce
phonocentrism
pipistrellus montanus
planimal
plant geographical coenology
pointing out
purple monkey
return on equity
rotliegende epoch
ruttishly
self-excited circuit
spectral coverage
spread-out
sticks-in-the-mud
submantle layer
suppos.
system migration
tactlessnesses
traversing jack
Tsez
unified taxation code
uniform shock wave
uplifting
Velilla de Cinca
vibrational motion
vice director
wantedness
whole arm translocation
yulee
Z modem Z modem
zepto-meters