平方毫米

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

发表于:2018-11-28 / 阅读(445) / 评论(0) 分类 新概念优美背诵短文50篇

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo

发表于:2018-12-01 / 阅读(159) / 评论(0) 分类 新东方背诵文选

by Jason Marshall We use a lot of math words in our day-to-day lives without really understanding what they mean or where they come from. For example, prefixes like mega, giga, and tera that we use to describe computer hard drive sizes (think megabyt

发表于:2018-12-07 / 阅读(53) / 评论(0) 分类 数学英语

This is Scientific America's 60 second science, I'm Sentay Graber, this will just take a minute. Magnifying glass, telescope, tiny tiny tape measure, these are the weapons with which researchers are fading it out to find the world's smallest frog.One

发表于:2018-12-24 / 阅读(82) / 评论(0) 分类 Scientific American(一)月

Magnifying glass, calipers, teeny tiny tape measure, these are the weapons with which researchers are fighting it out to find the world's smallest frog. One team just announced the discovery of the unaverage 7.7 millimeter p* which can sit comfortabl

发表于:2018-12-24 / 阅读(74) / 评论(0) 分类 Scientific American(一)月

Good morning. Oh, what a day. What a lovely day. Its a pleasure to be addressing the Wake Forest graduating Class of 2015. I want to start by thanking the administration and the Trustees for inviting me to speak. I want to thank them for giving me an

发表于:2018-12-28 / 阅读(92) / 评论(0) 分类 英语语言学习

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are us

发表于:2018-12-30 / 阅读(52) / 评论(0) 分类 考研背诵50篇

Cameras were once big and bulky. Today,really good cameras fit in your pocket. And now, researchers at Cornell havedeveloped a camera thats just a half-millimeter on each side and a hundredthof a millimeter thick. The lens-less device is called a Pla

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(七)月

AS IT IS 2016-10-05 Nobel in Chemistry Goes to Makers of Worlds Smallest Machines 2016诺贝尔化学奖:世界上最小的机器 Three scientists have won the Nobel Prize in Chemistry for their work in developing tiny machines. The three men are Jea

发表于:2019-01-12 / 阅读(81) / 评论(0) 分类 2016年VOA慢速英语(十)月

Lesson 25 Rat 1.Rats! 2.I smell a rat. 3.You look like a drowned rat. 4.You dirty rat! 5.I was just ratting around. 6.I don't want to die like a rat. 7.Hey,pal,you see rats. 8.You must be in the rats.

发表于:2019-01-14 / 阅读(105) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛口语提高版

If you heard the first part, youll know that Princess Talia has woken up somewhat confused. She is a student at an ancient college, but shes not quite sure how she got there. In this episode we will find out how she fits into her new surroundings. Ou

发表于:2019-01-18 / 阅读(87) / 评论(0) 分类 Children’s Stories-儿童故事集

By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide

发表于:2019-01-19 / 阅读(77) / 评论(0) 分类 VOA常速英语2008年(二月)

President Faust, Board of Overseers, faculty, friends, alumni, proud parents, 浮士德校长、校监委员会成员们、老师、朋友、校友、自豪的家长们、 members of the ad board, and graduates of the greatest university in the world

发表于:2019-01-25 / 阅读(73) / 评论(0) 分类 公众人物毕业演讲

Got ballistics back on the Holder murder. 霍尔德凶案的弹道分析出来了 They pulled two 7.62 millimeter bullets out of him. 他们取出了他身上两枚7.62毫米的子弹 According to the stippling and size of the entry wound, 根据伤口

发表于:2019-01-29 / 阅读(58) / 评论(0) 分类 绿箭侠第一季

达喀尔首次驶入玻利维亚 LA PAZ, Jan. 12 (Xinhua) -- Bolivian President Evo Morales Sunday celebrated his country's inclusion in the Dakar Rally, saying it marks the first time ever Bolivia has hosted a world-class sporting event. The race e

发表于:2019-02-07 / 阅读(113) / 评论(0) 分类 英语新闻

A flying robot piloted by brainwaves is just one of the ingenious new devices coming out of a top US university. Students are showing off their latest creations at the Maryland Robotics Day including the Neuro Sky Mindset and a snake-inspired search-

发表于:2019-02-14 / 阅读(69) / 评论(0) 分类 世界各地新闻集锦

Getting teary for you all, and getting teary for myself. I consider today a defining milestone in a very long and an bless journey. 为你们 也为我自己喜极而泣我认为 今天是一段漫长美好的旅途中的一个标志性里程碑 My o

发表于:2019-02-16 / 阅读(63) / 评论(0) 分类 公众人物毕业演讲

The Norwegian sailor, Jarle Andhoy with three other men, sailed to the Antarctic illegally. One of the men is a New Zealander. They did not have permission from the Norwegian government or from New Zealand. They wanted to know what happened to the bo

发表于:2019-02-17 / 阅读(75) / 评论(0) 分类 新西兰英语

Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacter

发表于:2019-02-17 / 阅读(83) / 评论(0) 分类 双语有声阅读

48 Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bac

发表于:2019-02-17 / 阅读(66) / 评论(0) 分类 双语有声阅读
学英语单词
a priori value
allotons
amphophile
argentum arsphenamina
Asplenium scolopendrium
austrophasiopsis formosensis
automatically synchronous
automotive market
average recovery
barbula unguiculata (huds.) hedw.
blast-heating apparatus
case bottle
Catullan
cellas
choristids
crotch rockets
CTU (central terminal unit)
curved exposure tube
dumb as an an
dunging area
endometrial
enter account
entrancer
ergot alkaloid
even odd nucleus
fezs
field programmable gate array
frontal-palatine suture
Gvardeyskoye
heat of neutralization
hemophleine
henseler
hewy
indexes of labour productivity
induction motor controller
infect tube
isoscope
jack-straw
kiss cutting machine
labovitz
Leacock, Stephan Butler
leaden-eyed
loop, output
macrocephalia
main agreement
map projection rectangular polyconic
mark 1
material advantage
metal valley
missionarism
NF (nanofarad)
Niederfrohna
no such receiver
oesopygus
on the right side of the blanket
ontogenal
onychophora
paired sample means
pan-alopecia
paranet
paroxysm(paroxism)
pedicules
pillaf
Pitcairners
playing ball
pole piece
Private Interregional Conflict of Laws
quasi-long range order
rearing cage
reluctancy
reminted
Rock Town
rush plant
shelly crack
silicon target camera tube
simplex and duplex switch
smart meters
spot distribution
spot-size converted laser diode
St Austell Bay
standard fading
Starbuck Glacier
statement header
steel dryer
suburb passenger ticket
Séoune
t/m (telemetering)
tailwalk
take up block
Tetrastigma cruciatum
thallous cyanide
the ministry of finance
thermogenic belt
Thevetia peruviana
Thomas Sheraton
tissue tension
transmitter tune light
trazodone
vanilla options
Vanstadensrus
wheel war