氧热价

Can Oxygen Be Toxic?氧气有毒吗? In order for us to live we must have oxygen, so how can it be bad for us? Today we explain how oxygen can be toxic. 氧气是我们生存所必需的,所以它怎么会对我们有害呢?今天我们来解释为

发表于:2018-12-28 / 阅读(144) / 评论(0) 分类 初学者听力文摘精选

Part 4 Air Pollution 空气污染 Air is the ocean we breathe. Air supplies us with oxygen which is essential for our bodies to live. Air is 99.9% nitrogen, oxygen, water vapor and inert gases. Human activities ca n release substances into the air, some

发表于:2019-01-02 / 阅读(283) / 评论(0) 分类 CRI实用英语课堂

China builds first tower-type solar-thermal power station BEIJING, Nov. 12 (Xinhua) -- The first tower-type solar-thermal power station in Asia has been built in northwest Beijing, chief of the program said on Monday. Wang Zhifeng, a researcher at th

发表于:2019-01-07 / 阅读(177) / 评论(0) 分类 英语新闻

When they wheel you into the operating room, climate change is probably the last thing on your mind. But maybe it should be on your anesthesiologist's mind. Because the gases used to knock you out contribute to global warming. Researchers, including

发表于:2019-01-08 / 阅读(205) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(五)月

This is Scientific American 60 Second Science, I'm Steve Mursky, Got a minute? The average price for a gallon of gas in the U.S. today was nearly $3.78 per gallon. But why do we calculate fuel expenditure in dollars per gallon? Wouldnt a more realist

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 Scientific American(三)月

Grab my hand take one step Come with me no regrets 'Coz we'll fly higher than what you can imagine When your heart is mine, anything can happen You're my baby I know you hear this song No need to worry about us You ain't doing nothing wrong Coz latel

发表于:2019-01-14 / 阅读(119) / 评论(0) 分类 节奏布鲁斯

[0:0]entertain招待,款待 [0:11.2108]entertainment enthusiasm entitle entry娱乐,文娱节目 热情,热心 给...权利,给...资格 参赛的人 [1:7.0247]environment envy equality equation环境,周围状况 忌妒,羡慕 相等,相同 议程,等式 [1:59.5258]equivalent era erect err

发表于:2019-01-16 / 阅读(255) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

LULU GARCIA-NAVARRO, HOST: It's not every day that scientists announce a new season. But that's what ocean researchers just did on the west coast. They say waters off Oregon, Washington and California now have a whole season when the oxygen level on

发表于:2019-01-17 / 阅读(124) / 评论(0) 分类 2018年NPR美国国家公共电台10月

On June 3rd, a train loaded with highly volatile crude oil derailed just outside the small town of Mosier in Oregons Columbia River Valley. More than 40,000 gallons of crude spilled out of the train. Some burned away in a 14-hour long fire at the sce

发表于:2019-01-17 / 阅读(144) / 评论(0) 分类 2016年Scientific American(十)月

凭借在iTunes和MySpace的成功,来自美国加州的流行女歌手科尔比凯拉特(Colbie Caillat)的处女专辑《Coco》一经发行便得到了很多歌迷的关注。在美国上市第一周,这张《Coco》共售出5万1千张,在本周的Billboard 200专辑榜中跻身前五名. 在没有与唱片公司签订合约之前

发表于:2019-01-23 / 阅读(234) / 评论(0) 分类 音乐咖啡厅

Today a new geo-thermal power station was opened in Kawerau, in the eastern Bay of Plenty. Geo means earth and therm means heat. The power station uses hot steam from the earth. Like the geo-thermal power station at Wairakei, which opened in the 1950

发表于:2019-01-27 / 阅读(147) / 评论(0) 分类 新西兰英语

Instructions If a dog is a year old, that is the equivalent of 15 in human years (not seven as we always thought). 如果狗是1岁,相当于人的15岁(而不是我们平时知道的7岁)。 When a dog reaches the age of two, he is already approxi

发表于:2019-02-01 / 阅读(127) / 评论(0) 分类 实用英语

Colbie Caillat-Oxygen I came apart inside a world 我在这个由怒气冲冲的人们组成的 made of angry people 世界里支离破碎 I found a boy who had a dream 直到有一天我遇见一个寻梦的男孩 Making everyone smile 他令他身边

发表于:2019-02-02 / 阅读(98) / 评论(0) 分类 好听的英文歌曲

今天我们要学的词是equivalent。 Equivalent, 意思是相当于,等同于。《华盛顿邮报》报道说,9/11恐怖袭击事件以来, In Washington and the surrounding areas, 33 building complexes for top-secret intelligence work are

发表于:2019-02-03 / 阅读(137) / 评论(0) 分类 英语每日一词

今天我们要学的词是equivalent。 Equivalent, 意思是相当于,等同于。《华盛顿邮报》报道说,9/11恐怖袭击事件以来, In Washington and the surrounding areas, 33 building complexes for top-secret intelligence work are

发表于:2019-02-05 / 阅读(124) / 评论(0) 分类 英语单词荟萃

Oxygen therapy can bring drug-free relief to many Vidushi Sinha | Washington, DC 15 December 2009 A new study shows that breathing pure oxygen can considerably lessen the agony experienced with severe headaches Cluster headaches are described by suff

发表于:2019-02-06 / 阅读(201) / 评论(0) 分类 VOA标准英语2009年(十二月)

entitle vt.把…称作 entrance n.入口;进入;入场 entry n.入口处;登记;进入 envelope n.信封 environment n.环境,外界;围绕 environmental a.环境的,环境产生的 env

发表于:2019-02-17 / 阅读(338) / 评论(0) 分类 考研英语

I came apart inside a world 我在这个由怒气冲冲的人们组成的 made of angry people 世界里支离破碎 I found a boy who had a dream 直到有一天我遇见一个寻梦的男孩 Making everyone smile 他令他身边的每个人都能展颜

发表于:2019-02-20 / 阅读(124) / 评论(0) 分类 好听的英文歌曲

2011年5月16日深夜,新浪微博用户、鼎晖创业投资合伙人王功权在其微博宣布私奔,为爱放弃一切。这条微博被瞬时间传播,国内各大网站、论坛社区等也开始热议此话题。 请看相关报道: T

发表于:2019-02-26 / 阅读(112) / 评论(0) 分类 英语口语
学英语单词
2-amino-4-methylphenol
able-whackets
agrilus niisatoi
Ahousaht
algebraic number field
allochromatic crystal
Anglican Communion
assimilate into
asweve
average yield per mu
beet flume
bramlett
bright time
bring back to
cardiotomies
chases up
Chirita brachystigma
clinical pharmacology
concretion
contingent debt
copy reader
Corrigan's button
D.B.E.
decasualization of labour
delinker
differential axis
differentiation symbol
discontinuous simultaneous techniques
dope additive
DU-717
Dwikozy
ecofeminists
electric molding machine
emergency dispute
encompassed type
especficamente
ethical relativism
false heather
Flagellatae
flower-arrangements
fork-and-blade connecting rod
Fuente Obejuna
fumaric resin
Hardy Heron
heats of transformation
hepatitis B e antigen
Honey L.
horizontal convergence current
hypogynous stamen
incoherent interaction
incubation of culture
isolation cooling system
item set
joint tongue
Karrukh
lanthanum sulphide
loup-garou
marsh revolution
mesocaecum
milk collecting station
minimum maneuver speed
mistouching
mix method
munchausen-by-proxy
muttonheaded
nephropss
network security center
neutralizing deviations
Nexus of Forces
orthopnoeae
paindts of divergence
phycobilisomes
pit membrane
Poliuron
pressurized refining
purple root rot
pyrolyser
rail-track
reng
self-cultivations
service control
signature log
sipunculoidea
sons
speed measuring position
spinulosa
subordinate status
super tyre
supreme court justices
table deflector
Tallapoosa River
thecias
three phase series motor
tow shackle
triple effect evaporator
two large divisions
valence alternation
Veronica tsinglingensis
vomer teeth
without pause
Yorkshire swine
zoonose