限圆柱最小的临界直径

The Moon 月球 We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation

发表于:2018-12-05 / 阅读(190) / 评论(0) 分类 有声英文阅读

The Moon We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation shows that the moon is not standing till. Its distance fr

发表于:2018-12-07 / 阅读(136) / 评论(0) 分类 双语有声阅读

Situation Critical 十万火急 by Kevin Lustig In some jobs, danger can appear at any moment. In the blink of an eye, the routine can become perilous. This month, the National Geographic Channel shows us what happens when a normal situation becomes

发表于:2018-12-08 / 阅读(205) / 评论(0) 分类 常春藤解析英语

Quarter 25分硬币 A quarter is an American or Canadian coin. quarter是指美国或加拿大的一种硬币。 How much is a quarter? 这种硬币值多少钱呢? A quarter is equal to 25 cents. 它等价于25分。 It is worth one fourth of a do

发表于:2018-12-13 / 阅读(164) / 评论(0) 分类 与美国小学生一起学英文第5册

[00:00.00]When there is no water,there is no surface. [00:03.97]When there is no mind,there can be no anxiety. [00:07.53]The empty head is the beginning of wisdom. [00:12.48]e) Unblocking your emotional flow [00:17.74]Do you find your emotional flow

发表于:2018-12-13 / 阅读(445) / 评论(0) 分类 北师大版高中英语模块10(选修)

The Infinite Library 2 Undoubtedly, it will be a complex task. “It’s not just feeding the books into some kind of digitization machine,” says Susan Wojcicki, leader of the Google Print project.

发表于:2018-12-19 / 阅读(195) / 评论(0) 分类 彭蒙惠英语

围绕树木展开的话题.... Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today, for the second part of our tree climbing programme, Im joined by Kate. OK Kate, well last week we were talking about tree climbing,

发表于:2018-12-27 / 阅读(157) / 评论(0) 分类 一起听英语

图片1 critical adj. 评论的,鉴定的,批评的,危急的,临界的 例句:The reforms of enterprises are now at the critical moment. 现在企业的改革正处在紧要关头。 critic n. 批评家,评论家,吹毛求疵者 例句:

发表于:2018-12-30 / 阅读(156) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

1. circumference /səˈkʌmfərəns/ -- distance around a circle or rounded body; perimeter The circumference of a circle equals times the diameter. 圆周长等于与直径的乘积。 2. circumlocution /ˌsɜ:kəmləʊˈkju:ʃən/ -- roundabout way

发表于:2018-12-30 / 阅读(186) / 评论(0) 分类 突破英文词汇

NB: This is not a word for word transcript Yvonne: Hello, I'm Yvonne Archer, this is 6 Minute English and thanks to Alice for joining me today. Alice: Hi Yvonne. Yvonne: Hello Alice. Now recently, an artefact - a very old piece of art - which many hi

发表于:2019-01-07 / 阅读(200) / 评论(0) 分类 六分钟英语

Hi, I'm Carl Azuz. Welcome to this Columbus Day edition of CNN Student News! We'll be talking more about Columbus Day in just a couple minutes. But first, we're reporting on a breakthrough in Chile. And we mean that literally. A hole big enough to re

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 CNN2010年(十)月

Diameter 直径 A diameter is a straight line inside a circle. 直径是圆内的直线。 Can any straight line in a circle be a diameter? 圆内的任何直线都是直径吗? No, its two ends must meet at two different points on the circle. 不是

发表于:2019-01-10 / 阅读(158) / 评论(0) 分类 与美国小学生一起学英文第9册

Sand 沙子 If you look around you, you can find sand very easily. 你若环顾四周,就很容易发现沙子。 Sand comes from rocks. 沙子源自岩石。 Each grain of sand is less than 2 millimeters in diameter. 每粒沙子的直径小于两毫

发表于:2019-01-10 / 阅读(183) / 评论(0) 分类 与美国小学生一起学英文第5册

In the storeroom 在库房 A:Where can I find a spare hose for the pump? A:我在哪里可以找到一跟备用的机泵软管? B:What size do you need? B:你需要什么型号的? A: 25 mm diameter. A:直径25毫米的。 B:They're at the back o

发表于:2019-01-14 / 阅读(181) / 评论(0) 分类 职业技术英语口语

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A: Oh, yes. I like that one. But it's too heavy. B: Okay, try this one. It's made of aluminum. A: O

发表于:2019-01-20 / 阅读(220) / 评论(0) 分类 购物英语对话

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A:I like that one, but it's too heavy. B: Okay, try this one. It's made of aluminum. A: This is muc

发表于:2019-01-21 / 阅读(210) / 评论(0) 分类 购物-Shopping

今天我们要学的词是 minimum。Minimum 最少的,最起码的。You need to keep a minimum balance of $250 in your checking account in order to avoid a monthly fee. 如果不想交月费,你活期帐户余额必须维持在250美元以上。

发表于:2019-02-04 / 阅读(186) / 评论(0) 分类 英语单词荟萃

Tree climbing: Part 2 NB: This is not an accurate word-for-word transcript Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today, for the second part of our tree climbing programme(节目,计划), Im joined by Kate.

发表于:2019-02-05 / 阅读(196) / 评论(0) 分类 六分钟英语

Bad weather meant that oil could not be pumped out of the ship the Rena today. The waves were too high. Pumping the oil is slow work because the oil is cold and thick. The pipe from the Rena to the oil barge is nearly 200m long and quite narrow, 7.5c

发表于:2019-02-17 / 阅读(143) / 评论(0) 分类 新西兰英语

Apart from much else, our lively interior created the outgassing that helped to build an atmosphere 不说别的,我们活跃的内部使大量气体喷涌而出,帮助建立了大气层, and provided us with the magnetic field that shields us

发表于:2019-02-25 / 阅读(133) / 评论(0) 分类 万物简史
学英语单词
8-hydroxyxanthine
a nards
academic-industry
Allium sinensis G. Don.
animatronic
anomalous osmotic pressure
arslans
auto by-pass
back dividends
blow-bies
bottom-up method of designing webs
bowlsbey
cancer in situ
canulizations
case (pathological) history
central cooling water system
cleft girdle
coiled lamp
counter-naiant
cream layer
curve of regression
cut-off free type
damage done clause
date of approval
daucosterine
demorphinization
density of holes
desmoplastic trichoepithelioma
dessertspoonsful
Devil is in the detail
dilute acid wash
distillery refuse
Dohne
dominicks
Dzierzgon
ecotaxis
Fulstow
get ya
glutinone
goa bean vine
Governor Channel
Haute-Saone
hyperbolic
hyperfrequency wave
i-croked
incroached
insurance services
intemperament
intercorrelating
interlinkings
introduction of weaponry
introductory discussion
inulin clearance
joint assembly
joints of auditory ossicles
kinky hair disease
knock-'em-down
magnetic ignition
mechanochemically
megakatal
midclasses
motorbicycle lead-acid storage battery
neurilemmitis
neutralizes
non-capital
occupational information
off-beams
on-telye
overnourishment
palestine liberation fronts
parallel operating testing
polyhydrate
polymerization dosimetry
program production
projected plan
questioning reaction
raugalline
re-entrant winding
Refined Aluminum
relief incision
sanguineus
scatopsid
setal
sexable
Side-channel
slide vane pump
soil fertility index
sphenite
stained by rust
steam bleeding
Steven Weinberg
taken the shape of
tank recovery
throat-blocking carbuncle
unproductive land
unsaturated water
ustel-
velocity of filtration
Vincent's gingivitis
whoofed
wind catcher
yuanhuatin