高限、正常、低限继电器

Global warming deniers love to point to cold or snow as evidence against climate change. Like Oklahoma Senator James Inhofe. Remember last year, when he tossed a snowball in Congress? You know what this is? It's a snowball. It's very, very cold out.

发表于:2018-12-02 / 阅读(77) / 评论(0) 分类 2016年Scientific American(十二)月

doyourearshanglow? Doyour ① earshanglow? Dothey ② wobbletoandfro? Canyou ③ tieeminaknot? Canyou ④ tieeminabow? Canyou ⑤ throwemoeryourshoulder Likea ⑥ continent alsoldier? Doyour ① earshanglow? Yes,my ① earshanglow Andthey ② wobblet

发表于:2018-12-14 / 阅读(81) / 评论(0) 分类 Wee Sing In The Car

AMERICANMOSAIC-ChicagoArchitectJeanneGangNamedMacArthurFellowforherStriking DOUG JOHNSON: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) Im Doug Johnson. Today we listen to new music from the Red Hot Chili Peppers And we visit an unusual

发表于:2018-12-16 / 阅读(69) / 评论(0) 分类 2011年VOA慢速英语(九)月

ARI SHAPIRO, HOST: For decades, the Colorado River has fed growing cities from Denver to Los Angeles, and a lot of the produce in grocery stores across the country right now was grown with Colorado River water. Now with climate change and severe drou

发表于:2018-12-17 / 阅读(60) / 评论(0) 分类 2017年NPR美国国家公共电台1月

(SOUNDBITE OF SONG, AIN'T TOO PROUD TO BEG) THE TEMPTATIONS: (Singing) I know you wanna leave me, but I refuse to let you go. If I have to beg and plead for your sympathy. I don't mind... MICHEL MARTIN, HOST: So, it's a cliche, but it's true. They re

发表于:2018-12-18 / 阅读(44) / 评论(0) 分类 2018年NPR美国国家公共电台7月

Teachers' Racial Biases Have Different Effects for High Versus Low Performers平等对待每一个学生 The ways teachers view their students can influence how teachers teach. Which affects how and what students learn. Now a study finds that a teach

发表于:2018-12-24 / 阅读(55) / 评论(0) 分类 2017年Scientific American(三)月

亚当是丹尼尔从小一起长大的好朋友,住在同一个社区,现在读初中一年级。这天,亚当学校开运动会,他邀请丹尼尔一起去参加运动会。 Listen Read Learn Adam: Is it your first time to join the sports meeting of Junior High School? Daniel: Yes, and it's great. W

发表于:2018-12-26 / 阅读(80) / 评论(0) 分类 英语口语大赢家

Aiman / Syria speaker My best moment in sports was the last time I was cycling and I was really close to winning that race but I had a puncture and I had to withdraw from that race. But, that was really a great moment for me because I came a really l

发表于:2018-12-28 / 阅读(88) / 评论(0) 分类 一起闲话英语-English Chitchat

01-高了吗? Is this too high? 除了高,我们还可以问:Is this too low? 低了吗? 02-直吗?平吗? Is it straight? 除了平,同样可以问:Is it skewed? 歪吗? skewed 歪 03-两边一样高吗? Are they leveled? 问两边

发表于:2018-12-28 / 阅读(61) / 评论(0) 分类 每天三分钟学英语

经典背诵 Recitation Adam: Hi, I am Adam, a student in Junior High School. Today I took Daniel to visit the sport events in my school. He was very happy. Our neighbor, Bruce, took part in the relay race. The competitors were neck and neck with him

发表于:2018-12-31 / 阅读(52) / 评论(0) 分类 英语大赢家上册

补充: CBR continuous bit rate CCIS common-channel interoffice signaling CCITT CCITT is the International Consultative Committee for Telephone and Telegraph, a consultative committee to the Interna

发表于:2019-01-03 / 阅读(75) / 评论(0) 分类 电信英语

This week marks the sixth anniversary of the U.S.-led invasion of Iraq that deposed Saddam Hussein and established a fledgling democracy, but also unleashed political, ethnic and sectarian tensions that caused years of devastating violence. As the a

发表于:2019-01-06 / 阅读(62) / 评论(0) 分类 VOA标准英语2009年(三月)

By Melinda Smith Washington, DC 24 January 2007 watch Diet report Trying to lose weight can be challenging and confusing, because there are so many different diet plans competing for attention. Low fat, or low carbohydrates, or high fiber? It's hard

发表于:2019-01-07 / 阅读(83) / 评论(0) 分类 2007年VOA标准英语(一月)

[00:37.80]Listen and read [00:41.85]This is our playground.Today is our sports day.Look!The games have begun. [00:52.58]Pupil A:Look!The relay race has begun.Guess,which class will win? [01:00.92]Pupil B:Class 1,I think. [01:04.68]Pupil C:I don't thi

发表于:2019-01-09 / 阅读(110) / 评论(0) 分类 小学英语陕旅版五年级

By Cathy Majtenyi Nairobi 19 May 2008 Fuel efficient stoves and ceramic water purifiers are two examples of low-tech innovations that can help people in poor countries improve their quality of life. Because what is known as appropriate technology usu

发表于:2019-01-10 / 阅读(99) / 评论(0) 分类 VOA标准英语2008年(五月)

Athletics (田径) Track 径赛 100 m, 200 m, 400 m 100米,200米,400米 800 m, 1,500 m, 5,000 m, 10,000 m 800米,1500米,5,000米,10,000米 110 m hurdles, 400 m hurdles 110米栏,400米

发表于:2019-02-01 / 阅读(45) / 评论(0) 分类 奥运英语

BEIJING, Oct. 18 (Xinhuanet) -- Autism can likely develop when low birth weight babies are combined with other factors such as environment and genetic predisposition, new research suggests. Researchers from the University of Pennsylvania School of Nu

发表于:2019-02-07 / 阅读(124) / 评论(0) 分类 英语新闻

sprint/middle-distance/long run短跑/中/长距离跑 marathon 马拉松 relay race; relay 接力 hurdles; hurgle race 跨栏 walking; walking race 竞走 steeplechase 障碍赛 high jump 跳高 pole jump; pole vault 撑竿跳高 long jump 跳远 hi

发表于:2019-02-08 / 阅读(45) / 评论(0) 分类 实用英语

TC Williams, the only public high school in the city of Alexandria, Virginia, is dealing with challenges. The school is known for its ethnic and cultural diversity but it has been named by Virginia's Department of Education as one of the lowest achie

发表于:2019-02-08 / 阅读(75) / 评论(0) 分类 VOA标准英语2010年(六)月
学英语单词
abnormal odo(u)r
allelopathy among different plants
anterior cardiac vein
arch floor
ardenwood
atractylic acid
audiofrequency apparatus
authorized maximum towed mass
barbering
batched-discharged material
bearing race snap
belyaeva
branch problem
cable trailer
cheveresu mare
chinese pharmacy
chlorine dioxide disinfectant generator
circulating spreading system
component software
computer security audit
condensing tower
coneincone
contract to
cooperage stock
corrie glacier
cosumnes r.
couch-bed
data interchange format file
diagnosis-specific
difference of meridianal parts
dipolarize
distribuend
double-tongued
eritrosiderite
exsiccators
femoral pore
ferrous sulfate injection unit
fishery protection ship
fluoroscoping
geothermal survey
gillenia
glabridin
glowworm
ground tier
gyri supramarginalis
hesitation period
hognose snakes
home-gym
hundred call seconds
hydroxycorticosteroid
instrument connection
instrument rack
intombs
kagnew
kupferstichkabinett
laser medium gain curve
leprotintinnus nordqvisti
link attached station
local-phone
loss due to dressing
marginal propensity to purchase
mechanical placebo
medical acarology
mercury ammoniated Ointment
microdensitometer tracing
negative chemiotaxis
nishina
nungessers
old hand
oliebol
parallelogram
Parasenecio koualapensis
pate de verre
pencil of light
Pomax
Pooftas
potential-differences
proalcools
Quetelet's rule
refections
ring off engines
ronmental
routine program
salitrite-annite jacupirangite
self-potential log
semi-submerged foil
service establishments
settle into
short-time limits
single-shear single rivet joint
spherotoric lenticular
stack oxide
standard security
steal a march on sb
sub catchment
surface charging
T.H.W.M.
tampered with
toads
torrey trees
Vassenden
well-selling