横向激励大气压CO2激光器

40 Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ni

发表于:2018-11-28 / 阅读(393) / 评论(0) 分类 新概念优美背诵短文50篇

This is the VOA Special English Agriculture Report. The northeastern state of Vermont is the leading producer of maple syrup in the United States. This sweet, sticky liquid is a favorite on pancakes a

发表于:2018-12-01 / 阅读(205) / 评论(0) 分类 2006年慢速英语(十二)月

(woman) Thank you. It's great to see so many of you interested in this series on Survival in Outer Space. Please excuse the cameras - we're being videotaped for the local TV stations. Tonight I'm going to talk about the most basic aspect of survival

发表于:2018-12-05 / 阅读(143) / 评论(0) 分类 托福听力短文

This is Whats Trending Today When it comes to weather, it is hard to sound more frightening than to call a storm a bomb cyclone. 谈到天气,很难听到什么比炸弹旋风更可怕的了。 But that is how weather experts are describing a huge

发表于:2018-12-08 / 阅读(443) / 评论(0) 分类 2018年VOA慢速英语(一)月

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(145) / 评论(0) 分类 VOA常速英语2008年(四月)

Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. U

发表于:2018-12-15 / 阅读(274) / 评论(0) 分类 新东方背诵文选

Cake Mixes And High Altitude Directions Look on the side of a cake mix box and you might find special directions for baking the cake at high altitudes. Why do bakers gave to adjust their cake ingredients when they live at higher elevations? Because a

发表于:2018-12-27 / 阅读(106) / 评论(0) 分类 英语时差8,16

barometer, [bə'r?mitə] n 气压计(测量大气压的仪器,用于天气预报);晴雨表(用来记录或反映波动起伏) 【例】Opinion polls serve as a barometer of the public mood 民意测验是大众情绪的晴雨表。 【记】

发表于:2018-12-30 / 阅读(103) / 评论(0) 分类 不择手段背单词

1. barometer /bəˈrɔmitə/ -- instrument for measuring atmospheric pressure as an aid in determining probable weather changes When the barometer indicates a rapid drop in air pressure, it means a storm is coming. 气压计显示出气压快速下降时

发表于:2018-12-30 / 阅读(149) / 评论(0) 分类 突破英文词汇

High Inflation Fairs, carnivals, festivals or anywhere you can buy helium-filled balloons, youre sure to see at least one balloon rising into the sky after someone accidentally lets it go off. What happens to the balloon after it rises out of sight?

发表于:2018-12-31 / 阅读(121) / 评论(0) 分类 英语听力文摘 English Digest

SCIENCE IN THE NEWS - Severe Ocean Storms: Behind Nature's Power By Caty Weaver Broadcast: Tuesday, September 27, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob D

发表于:2019-01-02 / 阅读(123) / 评论(0) 分类 科技之光

Debbie Elliott: Today a prominent NASA scientist went public with his concerns that the government is trying to stifle his public statements about climate change.James Hansen told the New York Times and the Washington Post that the space agency has

发表于:2019-01-08 / 阅读(206) / 评论(0) 分类 2006年NPR美国国家公共电台

Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ninete

发表于:2019-01-08 / 阅读(137) / 评论(0) 分类 英语小短文

September is usually the worst month for hurricanes in the Atlantic Ocean. At least ten named storms have formed there this year. The hurricane season continues until the end of November. The total number of major storms this year has been above aver

发表于:2019-01-11 / 阅读(148) / 评论(0) 分类 英语杂谈

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Shirley Griffith. VOICE TWO: A NOAA satellite image of Hurricane Katrina, taken on August 29, 2005 And Im Steve Ember. Powerful storms are called hurricanes when they form over the At

发表于:2019-01-11 / 阅读(132) / 评论(0) 分类 VOA慢速英语2007年(九)月

SCIENCE IN THE NEWS - Storm Warnings: Trying to Understand the Causes of HurricanesBy Nancy Steinbach and Caty Weaver and produced by Brianna Blake Broadcast: Tuesday, September 12, 2006 VOICE ONE: Th

发表于:2019-01-30 / 阅读(182) / 评论(0) 分类 2006年慢速英语(九)月

1. I know that every job has its own kind of pressure. 我知道每份工作都有自己的压力。 还能这样说: For me, it is job that has some kind of pressure on any person. I believe that pressure is evitable for people who have a job. 应用

发表于:2019-02-15 / 阅读(112) / 评论(0) 分类 情景会话口袋书人际篇

Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ninete

发表于:2019-02-17 / 阅读(119) / 评论(0) 分类 双语有声阅读

As altitude increases, atmospheric pressure decreases. This is due to Earth's gravitational pull on the air molecules in the atmosphere. The closer to the Earth's surface the stronger the force exerted on these molecules. 随着高度上升,大气压

发表于:2019-02-22 / 阅读(131) / 评论(0) 分类 留美老师带你每日说英文

Maybe. A change in barometric readings may be part of the reason: Atmospheric pressure often drops right before bad weather sets in; this shift could cause body tissue to expand, which can lead to swelling and pain. 也许吧,气压变化有可能是

发表于:2019-03-06 / 阅读(251) / 评论(0) 分类 英语听力广播—Listening
学英语单词
abstersed
accumulated reserve
Acedera
advertising material
ammonium zinc sulfate
assasin
benign lichenoid keratosis
bottom gears
callus induction
celebrating
chaunax abei
color print film
court of law
crandle
cytochemically
dacitic
defocused system
degenerate quadric
deoxyadenosine moniphosphate
desilted
disenclosed
dust from
enterprise planning
family Tetraodontidae
firefish
four-fold coupling
fractional ton refrigerating plant
Frisalene
front-line states
full-length cylinder liner
gas tight machine
genus trombiculas
greenkeeper
half closed and half open
harmonics generator
hemipyxis yuae
high treason
higher-order algebraic equation solver
hoggatts
hollow enclosure
horizontal position
hot water process
importation certificate
interplea
ipes
iPodLinux
Kanevka
kgbs
kgl
kleinpeter
knotted lace
lecensed material
Leishmania braziliensis
less-than operator
level plumb line
life buoy with self-igniting light
lifting power
link allotter
LLLTV
local battery circuit
lotus receptacle
magnetic fusion energy
malachowski
mingus
modern western legal thoughts
morphology of phage
motor analyzer
niue i.
optical components
Orthacea
outer scale liquid-in-glass thermometer
paradventure
pneumocomosis
POROMYOIDEA
pronuncial
quench modulated radio frequency
quick cut
radiochlorines
Reevesia pycnantha
relativistically
retarded-action fuse
safe keeping fee
saintships
second category of goods
set-pressure
shaving stone
sheeplikest
single plane mean outside diameter deviation
sinocalanus tenellus
sliving
soil texture map
spar milling machine
tecostanine
tendon reflex
Tetagam
top kick
tracer molecule
vascular ring
ventadours
waste disposal park
zizola