病毒增殖周期

The World was an orange when I went to school, 我上学的时候,世界对我来说就像一个橙子, and there were only three things I can remember that I ever learned for sure that the Dutch children wore wooden shoes, 我记得只有三个细

发表于:2018-12-04 / 阅读(120) / 评论(0) 分类 美国学生世界地理教材

Water Cycle 水循环 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr

发表于:2018-12-07 / 阅读(110) / 评论(0) 分类 (科普英语)Earth and Sky

[00:00.00]Man Is Altering the Balance of Nature [00:05.68]The balance of nature is a very elaborate [00:09.66]and very delicate system of checks and counterchecks. [00:13.60]It is continually being altered as climates change, [00:16.66]as new organis

发表于:2018-12-07 / 阅读(76) / 评论(0) 分类 晨读英语美文60篇

by Jason Marshall In past articles weve talked at length about three of the big four traditional processes used in basic arithmetic: addition (see also How to Add Quickly), subtraction, and division. However, for one reason or another, we havent yet

发表于:2018-12-07 / 阅读(69) / 评论(0) 分类 数学英语

Good Morning, at the CNN center here in Atlanta, I m Melissa Long, with a look at some of the stories that are happening Now In The News on this Wednesday morning. It's a big day for US automakers. Bankruptcy appears all but certain for General Moto

发表于:2018-12-20 / 阅读(63) / 评论(0) 分类 CNN2009年(五)月

2 The Village School 乡村小学 By Charles Dickens Little Nell looked round the room as she took her seat. There were a couple of forms, notched and cut and inked all over; a small deal desk perched on four legs, at which no doubt the master sat, a

发表于:2018-12-28 / 阅读(62) / 评论(0) 分类 陈冠商英语背诵文选合集

8. Books 书籍 The good books of the hour, then, --I do not speak of the bad onesis simply the useful or pleasant talk of some person whom you cannot otherwise converse with, printed for you. Very useful often, telling you what you need to know; ver

发表于:2018-12-28 / 阅读(37) / 评论(0) 分类 陈冠商英语背诵文选合集

I look up the book itself and fill out a call slip for it. But I also want to read about papermaking at Kelmscott. The catalog is confusing. I go back to the desk to ask for help. As I explain to the woman what I am trying to find, she glances over m

发表于:2019-01-01 / 阅读(88) / 评论(0) 分类 时间旅行者的妻子

Fire Cycle 火灾规律 The El Nino phenomenon of 1997-98 unleashed torrential rain in some parts of the world, while creating abnormally dry conditions in others. And it sparked record numbers of wildfires. Learn more about climate and wildfire -- toda

发表于:2019-01-02 / 阅读(173) / 评论(0) 分类 (科普英语)Earth and Sky

This the VOA Special English Development Report. Picture a bicycle with a two-wheeled carriage in place of a back tire. India has millions of these cycle rickshaws. The operators are called pullers. They ride through the streets pulling passengers a

发表于:2019-01-11 / 阅读(93) / 评论(0) 分类 VOA慢速英语2009年(五)月

It's used to change the scene. 它被用来转换话题。 So for example, this Sally person says, 比如说,这个萨莉说, So I need to find people to chill with and Jake says, Haha,you could write a dissertation about Haha too, but we don't h

发表于:2019-01-18 / 阅读(54) / 评论(0) 分类 TED演讲商业篇

When I was a kid I was top of the class in maths. I was really good at mental arithmetic and doing sums. Things were easy back then, It was all addition and subtraction, multiplication and division. I knew my times tables like the back of my hand. Th

发表于:2019-01-21 / 阅读(77) / 评论(0) 分类 纯正英语一分钟

ERIC WESTERVELT, HOST: Think of all the numbers you've encountered today - the clock in your smartphone, maybe the date on your calendar, the numbers on that highway sign. And those are just the ones you can see. It's easy to take numbers for granted

发表于:2019-01-24 / 阅读(84) / 评论(0) 分类 英语语言学习

The government said that work on the first seven cycle tracks which were promised earlier this year will start in the summer. This will cost $9 million. Another $41 million will be spent later. Together these cycle tracks will be called The Great Rid

发表于:2019-01-27 / 阅读(129) / 评论(0) 分类 新西兰英语

我原来曾经给我的一个同学改作文,发现她经常写一些让我感觉哭笑不得的句子。 例如: At the first glance, the argument seems sound, but with a further look, I find it problematic. 前半句是忠实引用,后半

发表于:2019-02-09 / 阅读(95) / 评论(0) 分类 GRE作文

But when they really get pushy, people really get pushy, I say, I do it because you do it for your kid. 但是当他们变得有进取心时,我们就会变得更有进取心,我说:我这样做就像你们为自己的儿子做的原因一样。

发表于:2019-02-13 / 阅读(74) / 评论(0) 分类 TED演讲国际问题篇

Classical music fans in Beijing are now embracing a massive work-the complete cycle of Beethoven's 9 symphonies with The Deutsche Kammerphilharmonie Bremen. Paavo Jarvi, an internationally famous Estonian conductor, is the artistic director of the or

发表于:2019-02-14 / 阅读(157) / 评论(0) 分类 2017CRI中国国际广播电台

There was an important anniversary this week. Forty years ago, on 15 February 1971, Britain changed its currency, that is, its money system. This is what happened. When I was a child in the fifties and sixties, Britain had a wonderfully complicated c

发表于:2019-02-19 / 阅读(74) / 评论(0) 分类 听播客学英语

New Words 新单词 concrete adj. 具体的 addition n. 加 subtraction n. 减 multiplication n. 乘 division n. 除 frequently adv. 频仍地 withdraw v. 掏出 formula n. 公式,程式 plus prep. 加 minus prep. 减 compound v. 合成 times n. 倍

发表于:2019-02-25 / 阅读(112) / 评论(0) 分类 实用英语

Being good at mathematics may be entirely pre-destinedyou either have it or you don't, a new research has found。 And those who find the numbers never add up shouldnt feel too dim mathematical talent does not appear to be linked to all-round intelli

发表于:2019-02-25 / 阅读(92) / 评论(0) 分类 实用英语
学英语单词
a cat in the meal
a hostages to history
Acaphylla theae
adsorbed water
Aleksandra, Mys
amidosuccinamic acid
anopheles (anopheles) bengalensis
Asiad
aurila imotoi
auxano-
Beijerinckia
Cat I.
CCTF (cylindrical core test facility)
charterparty assignment
China National Tea Export Corporation
chocolate syrups
Clematis kilungensis
coal gas producer
complex balancing
coproscope
Corynebacterium petrophilum
cost of the barriers
cradlesong
cylinder capacity
DQMOT
endocellular enzyme
ergodermatosis
fibrous braiding
fuel outlet
gallants
ganglia ciliare
gaseous cascade laser
gasification underground
general competitive analysis
gestalt psychotherapy
gripping point
Gyroidina
holden
hose globe valve
hyposulfate
isothermal stress functional
kolchak
Lactuca stolonifera Benth
laminar f1ow airfoil profile
lattice reactor
lesprance
leucovorin
lidoes
lyricized
maximum entropy method(mem)
merognathite
micromanipulative
moderate virus
moderately gusty air
mulberry cutter
nanosurfaces
nasal cavity dryness
neuralizing
nolence
nonadjunctive
nonviabler
nothing on earth
one and a-half boiler system
onium ion
paraterm
pholades
pivoted on
presby-
rakeism
reflecting component
relative exposure factor
rice bran oil
rubidium iodobromide
sarts
segmental contraction
Seltinskiy Rayon
senecio cruentuss
sequa
sibble
simplified practice
sizing size
sky-horn switching
Smilax densibarbata
solonic
spectral radiant emissivity
spherical mercury lamp
Stauroteuthis
subbing in
synchronized methods
tapespondent
thomas babington macaulays
threading tool
transverse map projection
tube end cutting machine
uncreepy
uncuckold
Vaps
variable output circuit
verticalgating
wave refraction coefficient
well-roofed
wenny