[医] 分散透镜, 负透镜

diverging meniscus的用法和样例:

例句

  1. The curvature of the film is concentric with the mirror behind the meniscus.胶片的曲率是和弯月透镜后面的反射镜同心的。
  2. The curvature of the film is concentric with the mirror behind the meniscus.胶片的曲率是和弯月透镜后面的反射镜同心的。

President Barack Obama is pushing on to encourage more innovation among American businesses, while Republicans warn against government solutions in their dueling weekly addresses. President Obama recorded his message earlier this week on the factory

发表于:2018-12-08 / 阅读(112) / 评论(0) 分类 VOA标准英语2011年(一月)

In U.S. politics, all eyes are on the Midwest state of Wisconsin where a budget battle rages that could have a profound impact on the power of labor unions around the country. The Republican governor of Wisconsin, Scott Walker, wants to curb the coll

发表于:2018-12-16 / 阅读(119) / 评论(0) 分类 VOA标准英语2011年(二月)

President Obama today urged Senate Republicans to stop stalling and confirm his nominee for attorney general. NPRs Scott Horsley calls the long delay in confirming Loretta Lynch example of Senate dysfunction thats gone too far. The White House compla

发表于:2018-12-18 / 阅读(102) / 评论(0) 分类 2015年NPR美国国家公共电台4月

Cambridge Union Society 唇枪舌剑 The Cambridge Union Society, commonly referred to simply as the Cambridge Union, is the largest student society at the University of Cambridge and one of the oldest in the world. Additionally, the Cambridge Union

发表于:2018-12-18 / 阅读(127) / 评论(0) 分类 走进剑桥大学

Almost all of my male classmates work in professional settings. 我的那些男同学都在职场上大显身手, Some of my female classmates work full-time or part-time outside the home, 女同学里有全职工作的、也有兼职工作的, a

发表于:2019-01-02 / 阅读(103) / 评论(0) 分类 向前一步

STEVE INSKEEP, HOST: Russia is not the only country that tries to influence American democracy. A report out today says China's Communist Party tries too, and it has a lot of money to spend as it works to influence the U.S. government and society and

发表于:2019-01-04 / 阅读(111) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Evolution continues today, and sometimes we can watch it happening. Researchers in the November 6th edition of the journal Science say that they caught in the act a population of butterflies in Ecuador potentially diverging into two distinct species.

发表于:2019-01-08 / 阅读(164) / 评论(0) 分类 Scientific American(十一)月

By Trish Anderton Jakarta 29 May 2006 Former South Korean leprosy patient, Oh Chun-duck, participates in an anti-Japan rally for having been forced to stay in isolated leprosariums during Japan's wartime colonial rule (File photo - Oct. 27, 2005) Th

发表于:2019-01-13 / 阅读(216) / 评论(0) 分类 2006年VOA标准英语(五月)

The battle about balancing a budget in the Midwest state of Wisconsin has entered its second week, with no end in sight. Wisconsin Governor Scott Walker, a Republican, is refusing to negotiate on legislation that would end collective bargaining right

发表于:2019-01-14 / 阅读(138) / 评论(0) 分类 VOA标准英语2011年(二月)

Mural explores the fine line between heaven and hell, when a small false step in love may lead you to a different world. 电影《画壁》很好地找到了天堂与地狱之间的区别,情爱中哪怕只是走错一小步,都会有一念天堂,

发表于:2019-01-19 / 阅读(131) / 评论(0) 分类 中英双语新闻

I stood up and could clearly observe the Canadian's adversary. This dugong--which also boasts the name halicore--closely resembled a manatee. 我站起来,很清楚地看见加拿大人的对手。这海马又名为儒良,很像海牛。 Its oblo

发表于:2019-01-27 / 阅读(138) / 评论(0) 分类 《海底两万里》中英双语有声读物

Butterfly Shows Speciation Sign A study in the journal Science looks at Heliconius butterflies in Ecuador, in which a single gene change that influences mate choice may be the first step in the splitting of the population into two species. Cynthia Gr

发表于:2019-01-30 / 阅读(272) / 评论(0) 分类 60秒科学

By Andre de Nesnera Washington 09 May 2007 Outgoing French President Jacques Chirac leaves office inMay 17, making way for center-right politician Nicholas Sarkozy, who defeated socialist Segolene Royal for France's highest office. In this report fro

发表于:2019-01-30 / 阅读(174) / 评论(0) 分类 2007年VOA标准英语(五月)

By Gilbert da Costa Abuja 06 October 2006 West African leaders are meeting in Abuja to discuss how war-divided Ivory Coast should be run, after a U.N.-backed transitional government expires at the end of this month. The meeting is viewed as a crucia

发表于:2019-02-05 / 阅读(204) / 评论(0) 分类 2006年VOA标准英语(十月)

By Kurt Achin Seoul 09 January 2007 US General Burwell Bell (File photo) The commander of the U.S. forces in South Korea says it is probably a question of when, not if, North Korea will test a second nuclear device. He also says the 28,000 U.S. mili

发表于:2019-02-06 / 阅读(138) / 评论(0) 分类 2007年VOA标准英语(一月)

More than ?20,000 has been stolen from four passengers aboard the doomed MH370 flight. 马航失联客机MH370四乘客账户日前被盗走2万多英镑。 Five months after the Malaysia Airlines flight went missing, mysterious withdrawals totaling

发表于:2019-02-08 / 阅读(186) / 评论(0) 分类 英语新闻

最近地震频发,我们来学习一下与地震相关的常用英语词汇。这些都是相关新闻报道中常见的词语,仅表示破坏,就有6个不同的表示灾害程度由小到大的动词。 英语中表示地震的名词有: e

发表于:2019-02-09 / 阅读(110) / 评论(0) 分类 英语新闻

Russian PM Vladimir Putin has warned against military action targeting Iran or imposing new sanctions(制裁) to curb its nuclear programme. Iran's latest proposals on its nuclear ambitions have brought diverging views from the US and Russia. Earlier

发表于:2019-02-13 / 阅读(112) / 评论(0) 分类 英语新闻

Germany and the euro 德国和欧元 You Kant do that 请依法办事 Many Germans fear that the European Central Bank is not on their side 很多德国人担心欧洲央行不是他们这一阵营的 HORST SEEHOFER, premier of Bavaria, sums up Germa

发表于:2019-02-17 / 阅读(107) / 评论(0) 分类 经济学人商业系列

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(241) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
a mo
ACCR
amidogroup
anhigh
annulations
applecarts
argaman
asceses
ascii collating sequence
assimilation
barr-
Barringtonia
beam area
blind floor
buck's
business operation technique
butt burp
cadmium complex
carrier sweep-out
chief tally clerk
Chinantec
chock plug
cleptolagnia
commercial share
conditional perfect
conidium
core of rope
cork (corcaigh)
creditor's claim
desmohemoblast
distribution system structure
dottrels
drownages
dzhokhar ghala (groznyy)
educational building
female employees
flame arc lamp
forestry combined with the breeding of deer and game
four-daiest
gear department
gino
global restriction
heng sheng index
holomorphically complete space
hot-water bottle
ictus
journey cake
khrc
kieselguhr dynamite
laugheth
Leaping Lena
legal blindness
like a cat on hot bricks
longest operation time heuristic
lumber-rooms
macroplant
Maeander
main bearing stud
management analysis center
mass-marketeds
mechanical interlocking machine
meningarthrocace
meter rod
midac automatic general integrated computer
morlon
observist
one-one function
ongoing work
outerwear
overgas
paddle hole
paracrystalline
payment prior to delivery
Pellin-Broca prism
penal code
Pervoavgustovskiy
prime responsibility
punch-up
railroad crossing sign
reactor pipe repture safeguard (device)
readept
reflection topography
reflective surplus value
rodolias
rubber tooling
Rugenian
sampling control
Sankh R.
sherab
shore thistle
spillikin
steering systems
telephone-number-sized
tetra substitution product
to accompany
to meet a meeting
triangle-shaped
true colors
underwriting loss
urban soil
wood preservation