[地震] 地震马赫数

AZUZ: A new national emergency is what Mexico's president is calling an earthquake that struck his country on Tuesday. It was the second tremor to shake Mexico in less than two weeks. This one was a magnitude 7.1 earthquake. Its epicenter, the point

发表于:2018-12-02 / 阅读(179) / 评论(0) 分类 CNN美国有线新闻2017年9月

NASA Successfully Tests Hypersonic 1 Jet Three years after its first test flight ended in an explosion, NASA on March 27 successfully launched an experimental jet that the agency believes reached a re

发表于:2018-12-05 / 阅读(178) / 评论(0) 分类 英语沙龙2004全年合辑下

That's an unnatural act for a rocket. 这对于火箭来说,不是一种自然的行为。 The third stage has a camera. 第三次发射,火箭上有一个摄像机。 We call it rocketcam. 我们称之为火箭摄像机。 And it's pointed at th

发表于:2018-12-18 / 阅读(162) / 评论(0) 分类 TED演讲科技篇

40 years later, aero experts coined the term transonic. 40年后空气动力学专家创造了跨音速这个术语。 They debated, should it have one S or two? 他们争论这个术语应该用一个S,还是两个S? You see, they were having trou

发表于:2018-12-18 / 阅读(175) / 评论(0) 分类 TED演讲科技篇

Five things you should know about earthquakes. 关于地震你应该知道的5点 Number one, an earthquake occurs when two blocks of the Earth slip fast each other. Now, for most of the time, those blocks are together with friction. But they are bui

发表于:2018-12-20 / 阅读(183) / 评论(0) 分类 CNN美国有线新闻2017年11月

Mother Machree There's a spot in my heart which no colleen may own; There's a depth in my soul never sounded or known; There's a place in my memory my life that you fill; No other can take it no one e

发表于:2018-12-30 / 阅读(249) / 评论(0) 分类 英语沙龙2004全年合辑上

Mother Machree 慈母颂 Theres a spot in my heart which no colleen may own; Theres a depth in my soul never sounded or known; 在我心中有那么一隅, 任何少女也不能占据。 它埋在我灵魂的深处, 我从不声张从不表露。

发表于:2019-01-02 / 阅读(248) / 评论(0) 分类 晨读英语美文60篇

Dong Lu Rm 549, Office Tower 2, Xingye Center No.18, Jian Guo Men Nei Ave. Phone: 13910212358 Beijing China (100005) Email: liudong@263.net -------------------------------------------------------------------------------------------------------- WORK

发表于:2019-01-06 / 阅读(215) / 评论(0) 分类 实用英语

Four Young People Who Make the World Better 四个年轻人致力于让世界更美好 What can technology do to make your world better? Four young people are starting new businesses to answer that question. Mateusz Mach Eighteen-year-old Mateusz Mac

发表于:2019-01-12 / 阅读(220) / 评论(0) 分类 2016年VOA慢速英语(三)月

Young Technology Expert Works to Stop Car Thefts Kenya is East Africas largest economy. Its capital Nairobi is growing quickly. But so is the citys crime rate -- the Nairobi Metropolitan Crime Observatory says thieves steal an average of 10 cars each

发表于:2019-01-12 / 阅读(207) / 评论(0) 分类 2014年VOA慢速英语(十一)月

This was a very shallow earthquake, which means it would tend to be more destructive. Stuart Sipkin, USGS Tuesday's earthquake hit Haiti hard, with extensive damage and many casualties. Compared to the well-known seismic areas like the Pacific Rim, t

发表于:2019-01-13 / 阅读(201) / 评论(0) 分类 VOA标准英语2010年(一月)

(SOUNDBITE OF WHALE CALL) ARI SHAPIRO, HOST: Many animals that live in the ocean communicate with sound, like this humpback whale. (SOUNDBITE OF WHALE CALL) SHAPIRO: But these voices could soon be drowned out by powerful sonic booms set off in the oc

发表于:2019-01-16 / 阅读(246) / 评论(0) 分类 2018年NPR美国国家公共电台2月

MICHEL MARTIN, HOST: It's no secret that corruption is widespread in Kenya. But recently, the conversation about it got real when a bus driver confronted the police and the president with a story of bribery on national television. NPR's Eyder Peralta

发表于:2019-01-16 / 阅读(189) / 评论(0) 分类 2017年NPR美国国家公共电台2月

STEVE INSKEEP, HOST: The United States Supreme Court is busy this week with a ninth justice, Neil Gorsuch, on the bench. Today, the court hears arguments in a Missouri case with the potential to open state coffers for aid to parochial schools. Like M

发表于:2019-01-17 / 阅读(233) / 评论(0) 分类 2017年NPR美国国家公共电台4月

2010年3月8日是三八妇女节,给自己的母亲或者女性朋友送上一首英语诗歌-《慈母颂》作为祝福,给她们一个意外的惊喜和慰问吧。为大家收集了几首 英语诗歌祝福语,祝福全天下的女性朋友们

发表于:2019-01-20 / 阅读(216) / 评论(0) 分类 实用英语

April 18, 1906, California's San Andreas Fault snaps, shaking San Francisco for nearly 60 terrifying seconds .When the trembling stops, the disaster is only beginning. Gas lines rupture, setting off massive fires, some 700 people die. Most of the cit

发表于:2019-01-22 / 阅读(186) / 评论(0) 分类 自然百科2008年

Expedite climb to FL190. 21.加速上升到高度190。 Climb to FL280 expedite until passing FL180. 22.上升到高度280,快速通过高度180。 Unable to expedite climb due weight. 23.由于重量原因不能加速上升。 Descending immediate

发表于:2019-01-31 / 阅读(276) / 评论(0) 分类 飞行员英语900句

Before we take this giant leap, we need to be able to carry everything needed for a three-year -round trip with us. This is a much larger effort than getting to the moon. Its the Apollo mission on steroids. At this point we know at least as much as t

发表于:2019-02-03 / 阅读(180) / 评论(0) 分类 自然百科2012年

GWEN IFILL: After serving in Iraq and Afghanistan, many veterans face an uphill battle finding work in civilian life. There's been an increase in efforts to help ease their transition, but one segment of the veteran population is often overlooked. Sp

发表于:2019-02-17 / 阅读(302) / 评论(0) 分类 PBS访谈社会系列

At least the names for the two main possible culprits are entertaining: they are said to be either WIMPs (for Weakly Interacting Massive Particles, which is to say specks of invisible matter left over from the Big Bang) or MACHOs (for MAssive Compact

发表于:2019-02-25 / 阅读(221) / 评论(0) 分类 万物简史
学英语单词
Altrincham
aminophosphine
anterior lobe hypophysis
are like
Ayala's index
ballet jooss
be in the pudding club
biassedly
boarding fee
bowrings
cam chain
castirons
celery-like
chess matches
cloudscape
cnbc
Conscientiously strengthen the operation and
consistent quality
corrector loop
coupe-band
creeled
cyclic stress-strain curve
devoiced
dierking
dihydroazdathymidine
drugfastness
easy ride
emergency compass
entomol.
family Ardeidae
fanhood
fieldbus
flooded structure
for express purpose of
fully automated assembly line
giorgini
gratuities
green form
green parties
Gressitt Glacier
ground-plate
Haddamite
hauptschule
hold back on purchases
home-fried potatoess
hot-rodding
hypnotistic
IP-3
jargonaphasia
jodhpurss
jubilee wagon
KHNS
lung fields
magnetic amplifier type automatic power factor regulator
managerial rationalization
market premium
metatarsals
mirror drive assembly
mocking is catching
module
myoglobin
neutral budget
nigres
Nilotic language
NPVP
officios
Olea yuennanensis
ordinary written law
pacific angel shark
pemirolast
prolan B luteinizing hormone
Pycreus limosus
quasers
remaining melt
Rhododendron invictum
Ridleyville
Salmā, Jab.
Sanriku
sapful
sausage sizzle
self-lubricating
semiligneous
serum antipiphthericum liquidum
silver storm
sinoventricular
slow-effect fertilizer
snaphances
soil pollution analysis
Spartina anglica
speed of development
spring callipers
steel iron
stuling
topographic symbol
trichinella extract
verrucarine
weber-dimitri disease
Wiganers
withdrawal of funds
wooley back
yarn-spinnings
zoinka