锥形射流

Grasp the 1) cone with the right hand firmly but gently between thumb and at least one but not more than three fingers, two-thirds of the way up the cone. Then 2) dart swiftly away to an open area, aw

发表于:2018-11-28 / 阅读(221) / 评论(0) 分类 疯狂英语2002年

With a strong poison spray aimed at a bunch of flying insects, it's easy to imagine several of them falling together at the same time. Because flies are small and dirty creatures, we do not much care if many die at once. However, when it comes to hum

发表于:2018-12-07 / 阅读(170) / 评论(0) 分类 大千世界

The tiny brain of this zebra finch may help scientists answer questions on how people form words to talk. Like humans songbirds learn to vocalize by imitation. Were able to not only just study the mechanisms of how vocal learning works in these songb

发表于:2018-12-08 / 阅读(96) / 评论(0) 分类 VOA标准英语2018年(五月)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The plague is most famous for killing tens of millions of people all over Europe in the 1300s. Plague is caused by the bacteria Yersinia pestis. And th

发表于:2018-12-24 / 阅读(111) / 评论(0) 分类 Scientific American(八)月

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(153) / 评论(0) 分类 Scientific American(一)月

[00:02.94] 理发 [00:05.88]A: Hello,sir.I'm ready for you. [00:08.56]A: 先生,您好。该你了。 [00:11.23]B: Is it my turn? [00:12.85]B: 该我了吗? [00:14.47]A: Yes,please sit on the chair.How do you want to have your hair cut? [00:17.70

发表于:2018-12-25 / 阅读(103) / 评论(0) 分类 英语流行口语

No. 25 Clean the Bathroom 清洁洗手间 Practice Listen and Repeat A 1. Put down a clean bath mat. 铺下干净的浴缸防滑垫。 2. When youre finished cleaning, hang cleaning towels. 当你清洗完成,挂上干净的毛巾。 Conversation 1

发表于:2018-12-25 / 阅读(127) / 评论(0) 分类 快口说英语

Researchers have discovered an almost universal word. Huh? You say? Even if you are not a native speaker of English, you probably dont need a translation for Huh? It appears that the word, or a very similar form of it, is used in most of the language

发表于:2018-12-28 / 阅读(74) / 评论(0) 分类 轻松英文阅读

Bar Bet 酒吧的赌博 A guy walks into a bar, stopping to talk to everyone in the bar. As he finishes with each group of people, they all get up and leave and go stand outside the window, looking in. 一个家伙走进酒吧,和里面每个人耳语

发表于:2018-12-31 / 阅读(130) / 评论(0) 分类 英语小达人

Evoking images from the liquid metal and nearly unstoppable Terminator from the movies, BAE Systems has posted concept video footage of a process to create drones of the future. 近日,BAE系统公司发布的一份概念视频展示了未来制造无

发表于:2019-01-07 / 阅读(121) / 评论(0) 分类 英语新闻

Spray Detects Hard-to-Find Tumors Surgeons may soon have a new tool to help locate early-stage cancerous growths; a spray that turns fluorescent green when it comes into contact with tumors. The spray is clear, but contains a non-toxic dye that almos

发表于:2019-01-13 / 阅读(141) / 评论(0) 分类 VOA标准英语2011年(十一月)

ROBERT SIEGEL, HOST: Biologist Jonathan Losos and I have at least one thing in common - we were both blown away by the late paleontologist Stephen Jay Gould's 1989 book Wonderful Life. Gould saw evolution as being all about odd contingencies, acciden

发表于:2019-01-16 / 阅读(160) / 评论(0) 分类 2017年NPR美国国家公共电台9月

But even though the insect brain is organized very differently from ours, there are some striking similarities. 虽然昆虫与人类大脑的组成大相径庭,但是仍有很多惊人的相似之处。 For example, most insects have smell detecto

发表于:2019-01-17 / 阅读(127) / 评论(0) 分类 TED演讲教育篇

Dogs have been mans best friend for thousands of years, a source of companionship and loyalty since the Stone Age. 几千年以来,狗狗都是人类最好的朋友,从石器时代开始就是人类忠诚的陪伴。 Now scientists suspect they h

发表于:2019-01-31 / 阅读(102) / 评论(0) 分类 英语新闻

Kerry Leaves Pakistan Hopeful, Despite Divides尽管有分歧 克里仍给巴基斯坦留下希望 U.S. Secretary of State John Kerry has wrapped up a visit to Pakistan with an agreement by the two countries to resume a dialogue on security issues. T

发表于:2019-02-01 / 阅读(118) / 评论(0) 分类 VOA常速英语2013年(八月)

My fingers feel as though theyve got frostbite, an abandoned spray can lies on the table and most of my kitchen appears to be dusted in a light frosting of silver. 我的手指好像得了冻疮,一个喷雾器扔在桌上,厨房的大片区域看起

发表于:2019-02-05 / 阅读(144) / 评论(0) 分类 阅读空间

Itcanbeinferredfromthepassagethatthe authorwouldbemostlikelytoagreewith whichofthefollowingstatementsregarding socioeconomicclassandsupportforthe rebelandLoyalistcausesduringthe AmericanRevolutionaryWa

发表于:2019-02-06 / 阅读(116) / 评论(0) 分类 英文语法词汇

世博会开幕这几天一直高温不下,仅5月1、2日两天世博园区救护车出动就达到80多次,其中接诊的26个人是中暑。中暑的英文怎么说呢?大家都知道stroke,中风,而中暑就是heat stroke。 那么,中

发表于:2019-02-09 / 阅读(136) / 评论(0) 分类 英语口语

Science and technology: Panda genetics 科技:熊猫遗传学 Hey dude. Give me six! 嘿,伙计。用六指击个掌吧! Two strange mammals illuminate the process of natural selection. 两种不同的哺乳动物阐明自然选择的过程。

发表于:2019-02-16 / 阅读(139) / 评论(0) 分类 经济学人科技系列

35 dollars for peanut butter? I got 1.23 dollar Jiffy inside. 破花生酱要收我35美元 我家有1.23美元的杰菲花生酱 Then he tells me it's 75 dollars per possum that he removes. 没除掉一只负鼠要收我75美元 Where are you taking

发表于:2019-03-04 / 阅读(135) / 评论(0) 分类 柯南脱口秀
学英语单词
a chip of the old block
amaea iwaotakii
angular shape
arc lamp reflector
as heavy as lead
atomic binding forces
b-mesons
belt separation
black data processing associates
breakdown structure
bring sb down
brown-line print
buggering off
buwang
California encephalitis
caliper well-logging
cap-a-pie
cardiac sounds
Castelnuovo della Daunia
cement-bonded moulding
chromium mordants
cineurethrography
citrus leaf-roller
civilizings
clamping nut
coefficient of autocorrelation
collaborated
compasstimber
complex resolution of the identity
constant-load arrestment
continental interior
corrosion control (cc)
displacement detector
dotson
dubbing room
EBAM
enterprises directly under central management
ethnologie
ethylmercurithiosalicylates
etmopterus splendidus
executive statement
fatigue precrack
fencingterrain
fiber reinforced composite material
Gaussian elementary beam
gerster
helder
herds of cattle
imperfective
incestuousness
independent wire rope core
interactive graphic terminal
Japaneseanemone
leifeld
magnetic surface storage
marine information processing
Maringué
Masoeté
master environment
metabelief
metrological evaluation
mid-face
monosultap
morphoscopic
Nebelungs
Novadel
nurudea rosea
on your guard
overmedicalize
paper bound
pendulum flexure
photosynthetic cycle
pilot-operated valve
radar aim point
recanalising
recurve bows
resolutive compactification
rim dented
rivularin
royal-family
sequence of current
ship mooring manoeuvre
side yard
single diode circuit
snowbrushes
stalagmometer
starting valve blocking device
subsonic airstream
sucking barrister
syntax table
taborin
Thornthwaite moisture index
TNEE
Treitz's muscle
tritarchy
turbosupercharging
upper three voices
vittaria linearifolia ching
VSS
WAN - wide-area network
working time recorder