【光学】 阿贝值色散系数,阿贝数 [亦作 nu-value, relative dispersion, abbé constant, v-number, v-value]

90 numbers words numbers amount count hundreds thousands millions dozen couple pair double triple quadruple first second third fourth add plus minus deduct multiply divide roughly approximately equal several phrases third time lucky have sixth sense

发表于:2018-11-27 / 阅读(297) / 评论(0) 分类 情景英语口语100主题

Do lucky numbers really bring good luck? Some people think lucky numbers like 6 or 8 would bring them good luck. Because they bare similar pronunciation to the related Chinese characters which mean good luck. As a result, some young couples choose a

发表于:2018-11-28 / 阅读(270) / 评论(0) 分类 疯狂英语易背作文

A Just stop and think how important numbers are to our lives. Numbers control us. In fact, we are numbers. We have passport numbers, social security numbers, ID numbers, and more. We live in a house and a street that has a number. We communicate with

发表于:2018-12-04 / 阅读(180) / 评论(0) 分类 听一分钟英文-N

What goes up must come down! Things are always changing in todays world, and thats why we decided to make an episode about things going up and going down. Especially in the news, we often hear about increases and decreases, and they use lots of diffe

发表于:2018-12-06 / 阅读(151) / 评论(0) 分类 英语博客-北美风情

by Jason Marshall Lets kick things off with a bit of a strange question: If you were asked to walk up two stairs and then immediately back down three, how would you describe the total number of stairs youd climbed relative to where you began? Do any

发表于:2018-12-07 / 阅读(146) / 评论(0) 分类 数学英语

Unit 2 Numbers [00:04.41]Students' book Page 7 [00:08.46]Let's act [00:11.42]Give me a rubber,please.Give me a ruler,please. [00:17.29]Give me a rubber,please.Give me a ruler,please. [00:23.25]Students' book Page 8 [00:27.90]Let's talk [00:31.45]Hi,M

发表于:2018-12-13 / 阅读(273) / 评论(0) 分类 沪教版牛津小学英语一年级

Numbers: Everyone's language [00:08.70]How many languages do you know? [00:13.45]Everyone knows at least two his or her own language [00:22.52]and the international language of numbers. [00:28.45]Ancient numbers [00:32.21]In ancient times, [00:36.15]

发表于:2018-12-17 / 阅读(258) / 评论(0) 分类 北京仁爱英语八年级下

2The Lord said to Moses and Aaron: 2The Israelites are to camp around the Tent of Meeting some distance from it, each man under his standard with the banners of his family. 3On the east, toward the sunrise, the divisions of the camp of Judah are to e

发表于:2018-12-30 / 阅读(182) / 评论(0) 分类 民数记

Grammar Girl here. Since this is my 100th episode, it seems like a fitting time to talk about how to use numbers in sentences. [Note: There are many exceptions to the rules about how to write numbers. These tips will point you in the right direction,

发表于:2019-01-02 / 阅读(196) / 评论(0) 分类 英语语法 Grammar Girl

by Jason Marshall Do you remember your very first encounter with numbers? No, I dont either. But I imagine it might have involved someone pointing to each of my fingers in turn, and with great fanfare, counting aloud: One, Two, Three, Four, Five! And

发表于:2019-01-02 / 阅读(275) / 评论(0) 分类 数学英语

Maria was learning to add numbers. She liked to add numbers. It was easy to add numbers. She could add one and one. She knew that one and one are two. She knew that two and two are four. She knew that three and three are six. But that was it. She did

发表于:2019-01-06 / 阅读(183) / 评论(0) 分类 超级简单英语阅读

图片1 图片2

发表于:2019-01-09 / 阅读(154) / 评论(0) 分类 大英儿童百科全书--NUMBERS

Poor US Job Numbers Play Key Factor in Presidential Race The August job numbers mark the 30th month of private-sector job growth, though just barely. Experts say the economy needs to add at least 100,000 new jobs each month just to keep up with popul

发表于:2019-01-13 / 阅读(177) / 评论(0) 分类 VOA标准英语2012年(九月)

Chapter 6 - Hlne in Petersburg Helene, having returned with the court from Vilna to Petersburg, found herself in a difficult position. In Petersburg she had enjoyed the special protection of a grandee who occupied one of the highest posts in the Empi

发表于:2019-01-18 / 阅读(158) / 评论(0) 分类 有声英语文学名著

A Just stop and think how important numbers are to our lives. Numbers control us. In fact, we are numbers. We have passport numbers, social security numbers, ID numbers, and more. We live in a house and a street that has a number. We communicate with

发表于:2019-01-21 / 阅读(178) / 评论(0) 分类 纯正英语一分钟

Maria was learning to add numbers. She liked to add numbers. It was easy to add numbers. She could add one and one. She knew that one and one are two. She knew that two and two are four. She knew that three and three are six. But that was it. She did

发表于:2019-01-24 / 阅读(250) / 评论(0) 分类 英语第1级听力-English Level 1

情景对话: Okay, guys, I ran some numbers, and I can't come close to the price you had over there. He was losing money on that car. 好啦,各位。我算了一下,我都给不到接近那边的价格。他给你这个价格是在赔钱呢。

发表于:2019-01-24 / 阅读(270) / 评论(0) 分类 每天三分钟学英语

Part Ⅴ : Writing : Lucky Numbers (30 points) 最近几年,一直流行幸运花、幸运石、幸运数字等说法,即有些东西与人的命运联系在一起,如果掌握住了,就会使自己生活幸福,你对这种现象有何看法?

发表于:2019-02-08 / 阅读(175) / 评论(0) 分类 英语作文

今天要学的习惯用语和数字有关:go by the numbers。大家知道数字的英文是number。这个习惯用语的出典可能是这样的:有些商店在过节的时候顾客盈门,柜台前排成长龙,商店为了维持秩序就按照

发表于:2019-02-19 / 阅读(312) / 评论(0) 分类 美国俚语

SCOTT SIMON, HOST: Fannie Drumwright Davis Robinson was an esteemed civic figure in Detroit. She was married to her teenage sweetheart, came up from the segregated South, lived in a fine red-brick colonial house where she cared and cared well for the

发表于:2019-03-04 / 阅读(367) / 评论(0) 分类 2019年NPR美国国家公共电台1月
学英语单词
a Jack of straw
aardvarking
adays
antereisis
anti-motoring relay
artical
astrophyllum copricorne (dietr.)br.et r.
aurichlorohydric acid
bend ... neck
bismuth sodium thiosulfate
blogposts
branch instruction test
bronchial croup
broyhill
calculated driving wheel diameter
cast of the die
cosies
cost money
cyclic code error detection
decapascal
democratic consultation
developed coal reserves
Dubayshi
Durgin Guyot
energy needs
enough of
flattering-tool
fozard
ftams
Gauss, Karl Frie'drich
gobemouche
going to
ground plate
halwar
HCT
heated perimeter
hornblende orhtoclase gabbro
hTEF-1
Illuminance Meters
inquiry-with-update
John II
Korovin I.
leonard constant lamberts
lookdown radar
metal cleaning equipment
minimum stress-intensity factor
mispleasance
multimove
naturalvalue
non-leakage
normal form message
normal lochia
notch stress
open-work
orange zest
passage bus
percevere
Pioneer summer camp
Piproda
Platanthera minutiflora
prefs
Proximate analysis,
qualitative variable
reactional hypoglycemia
reichheld
remote-controlled receiver
research ideas
respawning
rotation movement
round nose chisel
saddle preventer
salmon-eye locus
schis-,schiso-
Selenduma
set forward rule
set someone straight
silwa
spermatotoxic
spontaneous tension pneumothorax
stub-toed
sunk fund
sunnet
switch-hook
sword fish
syntactic criteria
systray
Thebez
theory of ideals
thyroiditis
Timperley Ra.
touchstones
tricolumnar
tumor nodule
unit capacity weight
unswizzling
van de graff generator
vasocompression
welding holder
well-deviseds
Wharfe
word-blind
x-linked severe combined immunodeficiency