分子层纹

CHAPTER ONE [00:44.25]READING [00:45.74]Page 2 and 3 [00:48.43]THE YOUNG GREEN CONSUMER GUIDE [00:51.51]Review by Tony Ma [00:54.62]This book says that our world is in danger [00:59.32]It is vital that we do something to save the earth [01:04.21]Firs

发表于:2018-12-01 / 阅读(453) / 评论(0) 分类 上海牛津初中英语九年级

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2018-12-04 / 阅读(144) / 评论(0) 分类 听一分钟英文-O

M: Excuse me! W: May I help you? M: Yes, I'd like to send this book to France. W: Let me weight it first. That'll be 14 dollars. M: Can it go in an envelop? W: Of course, it's 4 dollars now. M: Do I need stamps? W: No, you don't. We use computers no

发表于:2018-12-26 / 阅读(83) / 评论(0) 分类 想聊就聊

There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th

发表于:2018-12-29 / 阅读(185) / 评论(0) 分类 英语课程学习计划和讲义

How Does Ice Cool Drinks? Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? Heat is a measure of molecular activity: the faster a

发表于:2018-12-31 / 阅读(76) / 评论(0) 分类 英语听力文摘 English Digest

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(92) / 评论(0) 分类 英语听力文摘 English Digest

Why Do Golf Balls Have Dimples? Youre out on the golf course one pleasant afternoon. Your ball is set on the tee. You lean over the ball. You grip the club just right. Your arms are straight. Your stance perfect. Whoosh! You swing, and the ball takes

发表于:2018-12-31 / 阅读(69) / 评论(0) 分类 英语听力文摘 English Digest

美语中,一些感叹词的意义跟字典上的解释不尽相同,要在日常生活中才能体会到。让我们看看以下几个例子: Oh的字典意义是嗬;哦;哎呀,表示惊讶、的恐惧等。但将这个词连起来用,却

发表于:2019-01-09 / 阅读(127) / 评论(0) 分类 实用英语

Sexy sexy made up of plexi disasters Pushing and pulling conservative rolling Unlike plastic, easier to see through Just like glass with no ring Softer and sadder you sing Sexy sexy do your thing Learn to be shy and then you can sting Plexi, plexi be

发表于:2019-01-11 / 阅读(93) / 评论(0) 分类 美国乡村音乐

By Nico Colombant Ogoniland, Nigeria 26 May 2007 Market women share anti-oil company feelings In Nigeria's oil-rich Niger Delta, one area, Ogoniland in Rivers State, resists oil production. Residents there say oil companies refuse to meet their deman

发表于:2019-01-13 / 阅读(163) / 评论(0) 分类 2007年VOA标准英语(五月)

Air pollution 空气污染 A: I've heard of ground-level ozone but can you explain what it is exactly? A:我听说近地面臭氧,但是你能确切解释一下是什么吗? B:Yes, it's one of the main air pollutants. Factories don't emit it dire

发表于:2019-01-14 / 阅读(100) / 评论(0) 分类 职业技术英语口语

A: May I exchange this DVD player? B: Certainly. Do you have your receipt? A: Here you are. B: Now, why do you want to exchange it? A: It won't play a DVD. B: I'm sorry. I'll get you a new player. A: At first, I thought it was me. B: Okay, here's a n

发表于:2019-01-20 / 阅读(145) / 评论(0) 分类 购物英语对话

A: I'd like to exchange this DVD player. B: Of course. Do you have your receipt? A: Here it is. B: Now, could you tell me why you want a different one? A: It refuses to play my DVDs. B: That's strange. Let me get you a new one. A: All my friends trie

发表于:2019-01-20 / 阅读(98) / 评论(0) 分类 购物英语对话

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2019-01-21 / 阅读(142) / 评论(0) 分类 纯正英语一分钟

HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: Scientists studying climate change in Antarctica reported this week that the hole in the protected ozone layer of the earth's atmosphere has shrunk. The discovery of the hole in the mid-1980s led to a wo

发表于:2019-01-27 / 阅读(103) / 评论(0) 分类 PBS访谈环境系列

M: Excuse me! W: May I help you? M: Yes, I'd like to send this book to France. W: Let me weight it first. That'll be 14 dollars. M: Can it go in an envelop? W: Of course, it's 4 dollars now. M: Do I need stamps? W: No, you don't. We use computers now

发表于:2019-02-21 / 阅读(83) / 评论(0) 分类 英语口语

What Are Calluses And How Are They Formed? 皮肤上的茧是如何形成的? 人体皮肤由于劳动过程长期摩擦造成皮肤表皮细胞坏死而形成的,主要出现于手掌、足掌等部位。长时间的受到磨檫,组织细胞的老

发表于:2019-02-24 / 阅读(97) / 评论(0) 分类 英语听力文摘 English Digest

Why lips go dry? 为什么嘴唇会干呢? Lets start by reviewing the ways in which the surface of our lips is different from the surface of the skin on the rest of our bodies. Basically, our lips are made of the same mucus membrane that coats t

发表于:2019-02-24 / 阅读(112) / 评论(0) 分类 英语听力文摘 English Digest

It's a common enough sound in summer, after the wind finally picks up on a hot and humid afternoon, as the rain starts spattering down in big, fat drops--you're in for a full-blown thunderstorm. It's much less common in winter, even during a snow sto

发表于:2019-02-24 / 阅读(142) / 评论(0) 分类 英语听力文摘 English Digest

Although it is devastating to find out that Chicago is sinking, were only talking one millimeter a year. Thats four inches in a century, but only until the land in North America brings itself back into equilibrium. When glaciers covered Canada and th

发表于:2019-02-24 / 阅读(91) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
abdominal endosternite
absolute response
ad network
altoherbiprata
antichymotrypsins
baby-sat
banging about
be appropriate for
be in line
beltsy (balti)
binominated
Brock I.
bus extender
buzad
cathode disc
cattleya hybrida
celestial maser
center pivot irrigation system
community responsibility
contrafluxion
dealate
decanoic anhydride
dioxoaporphine
discharge afloat
Dolabid
doyens
ecological deterioration of mining area
Egadi
electronic check presentment (ecp)
entero-epiplocele
ephemerons
Episcopal Church of Scotland
erythrocarpous
excelsa
faslanes
fatigue factor
forced confession
foundherentism
g/g
genus Sarcochilus
golden saying
grueby
guidance capability
hilly ground
hocusing
hydraulic stripper
hydraulically driving arrangement
Hålandsdal
IMEWS
incremental servo-drive
initial day
Ivugivik
Jagannāthnagar
Kalashnikov
large scalt computer
lipovitellenin
liquid waste incinerator
live in dread of
load-stretch curve
local rings
magnetic wire store
matchcoat
memsahib
micromechanical accelerometer
miscount
mobile uranium
multi-vitamin
nozzle atomizer
oesophagograms
one - to - one correspondence
open-ended transmission line
oral communication
overlaying surfaces
Phaeographina
Photokeratectomy
positive frequency
postyuppie
private fund
project charter
rachterata
rate of attendance
retainer pin
rigid extensible bar
rotary valve seat
run for office
scrib
scwe
seer
semi clasping
spatial filtering
stitch cam
suffruticos
take them
the sands of time are running out
Tijuanan
Tombaugh, Clyde William
torque gradient
trypanosomata
unpliant
unworkable plan
vittely
water fingering