氧化铝晶须

图片1 图片2 图片3 by Jason Marshall Weve now talked about several different useful ways for looking at and understanding a group of numbers. The mean, median, and mode are great for determining the average value, and last time we learned that t

发表于:2018-12-07 / 阅读(107) / 评论(0) 分类 数学英语

The thing I use to get rid of the hair is the razor, razor. 我是用剃须刀(razor)来去除毛发的。 A razor is like a knife, it has a blade, blade, and the blade is the thing that actually cuts the hair that removes the hair. 剃须刀就像

发表于:2018-12-28 / 阅读(94) / 评论(0) 分类 ESL杰夫的一天

Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik

发表于:2018-12-31 / 阅读(110) / 评论(0) 分类 英语听力文摘 English Digest

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(308) / 评论(0) 分类 知性英语

SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S

发表于:2019-01-11 / 阅读(203) / 评论(0) 分类 VOA慢速英语2007年(十一)月

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种,每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(149) / 评论(0) 分类 TED演讲教育篇

Soon after taking up his position, Davy began to bang out new elements one after anotherpotassium, sodium,magnesium, calcium, strontium, and aluminum or aluminium, depending on which branch of English you favor. 上任不久,戴维开始宣布发现一

发表于:2019-01-29 / 阅读(142) / 评论(0) 分类 万物简史

今天我们要学的词是by a whisker。 Whisker, 是指一根胡须,顾名思义,by a whisker, 就是指只差那么一点点。 We missed the opportunity by a whisker, 我们跟那次机会失之交臂。还记得荣获八块金牌的菲尔普斯

发表于:2019-01-30 / 阅读(98) / 评论(0) 分类 英语每日一词

今天我们要学的词是by a whisker。 Whisker, 是指一根胡须,顾名思义,by a whisker, 就是指只差那么一点点。 We missed the opportunity by a whisker, 我们跟那次机会失之交臂。还记得荣获八块金牌的菲尔普斯

发表于:2019-01-30 / 阅读(120) / 评论(0) 分类 英语单词荟萃

U.S. retail sales fell half a percent in June providing more evidence that the U.S. economic recovery will slow down in the second half of the year. But the weaker than expected consumer spending appeared to have little impact on Wall Street as inves

发表于:2019-02-05 / 阅读(135) / 评论(0) 分类 VOA标准英语2010年(七)月

18招促环保(双语) 我们中的每个人都应该对自己日常生活活动和选择所产生的温室气体负责。因此,防止气候变化需要地球上的每个人共同来努力。在中国,平均每户每年的碳排放量是2.41吨

发表于:2019-02-06 / 阅读(212) / 评论(0) 分类 实用英语

BEIJING, July 11 (Xinhua) -- The State Council, or China's Cabinet, announced on Wednesday that it will boost the development of the nation's distribution industry with the goal of establishing a modern goods distribution system that is efficient, co

发表于:2019-02-08 / 阅读(162) / 评论(0) 分类 英语新闻

Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的

发表于:2019-02-13 / 阅读(209) / 评论(0) 分类 英语新闻

China's State of the Environment Report for 2012 suggests that the overall quality of China's environment is balanced and stable. The condition of underground water remains to be a big concern. Li Dong has the details. Released annually by China's Mi

发表于:2019-02-14 / 阅读(250) / 评论(0) 分类 世界各地新闻集锦

电脑英语--常见硬件篇CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只

发表于:2019-02-15 / 阅读(164) / 评论(0) 分类 天天商务口语

重要电脑英语及其缩写 CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,

发表于:2019-02-16 / 阅读(125) / 评论(0) 分类 实用英语

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(142) / 评论(0) 分类 英语新闻

CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只读存储器。 EDO:Ext

发表于:2019-02-21 / 阅读(114) / 评论(0) 分类 实用英语

18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下,你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(184) / 评论(0) 分类 万物简史

Building a Better Mirror for Telescopes 为望远镜打造更优质镜面 To study the heavens, it's all about the photons. We in astronomy are always greedy. We want every photon we can collect. Drew Phillips, astronomer at University of California

发表于:2019-03-15 / 阅读(275) / 评论(0) 分类 2017年Scientific American(九)月
学英语单词
4-nitrophenylphosphate
Analog Trigger
artisanate
Aspisol
autolipophagosome
Avigliana
awsome
basilicum polystachyon
blackjack oaks
book with you
bronze conductor
bushs
calculating station
catopters
Cecil Day-Lewis
channel time
chiu
class bacillariophyceaes
classification mark
clearing out drop
CNS
croodled
crowd-out
deer hunters
digital computer system of central control
disk barker
disk device
domain code
double back gear
drive - by download
dynamic mechanical property
dysh(a)ematopoiesis
electronic image stabilization
emerged shell bed
endothyropexy
epiglottectomy
ethyl undecyl ketone
eviota abax
examining and irrigating cystoscope
fenozaflor
first bath
fish fall
fossae
Gounda
han wu ti
hepatitis bs
high - definition television
high pressure gas control law
ilses
Imperial Stormtrooper
inshore waters
interlocking operator
internal interface
landscape science
lateral freedom
local base vectors
lookforward
marking peg
mazdaisms
mercurialises
microeconometric model
morgridge
neurotendinous spindle
non-technology
number building
paraxial imagery
Paulo Afonso, Cachoeira de
perh
pharyngotherapia
phosphowolframate
pith fleck
plica neuropathica
polyharmonic function
powerfully
radioisotope localization of placenta
rate of conversion
reaction power plant
rechargeable battery
rescyt
reuptakes
San Bernabé
satellite machine
Schefflera elliptica
self-attraction
separate library
separation anxiety disorder
shacktown
shushu
single control circuit failure
software, navigation
stow motor
straight shank gear nut type drill chuck
subanal appendage
tissue mince
travel school
USB-A
valve guard
vfs
wavelength in waveguide
weeding of grease
wet pack
wurlyon