单位向量

[00:09.33]A:The term is coming to an end! [00:13.61]I wish that the time had not passed so fast! [00:18.21]B:I have the same feeling. [00:21.60]A:And the final examinations are to be taken. [00:27.12]B:Good!It's a good chance to see how well we've do

发表于:2018-12-04 / 阅读(195) / 评论(0) 分类 高中英语上外版二年级

by Jason Marshall In the last article, Is Multiplication Repeated Addition? we talked about what it really means to multiply two numbers. We found that the conventional meaning of multiplicationrepeated additionbreaks down when multiplying fractions,

发表于:2018-12-07 / 阅读(71) / 评论(0) 分类 数学英语

by Jason Marshall The last article about how to use math to send encrypted messages ended with a bit of a cliffhanger. The good news is that you will soon find out how the story ends. But, as I warned last time, the bad news is that that isnt going t

发表于:2018-12-07 / 阅读(79) / 评论(0) 分类 数学英语

发表于:2018-12-08 / 阅读(99) / 评论(0) 分类 医务英语

00:05.88]A Let's read [00:09.85]Peter,Sue and Anne were in the craft class. [00:14.99]Mr Wu,the craft teacher, told the children how to improve their craft work. [00:22.15]You must make a proper plan before you start,he said. [00:27.92]This is how yo

发表于:2018-12-13 / 阅读(170) / 评论(0) 分类 初中英语(深圳&香港文达版)第六册

|1solitary|a. |tending to spend a lot of time alone |独自的;喜欢独处的 | | | |a solitary traveler |一位孤独的旅行者 | | | |A solitary tree remained standing after the hurricane. |飓风过后,惟有一棵树孤独地挺立在那儿。

发表于:2018-12-17 / 阅读(98) / 评论(0) 分类 新视野大学英语读写教程词汇 第四册

To me, we actually went an ad line earlier with Apple, 苹果以前有一条广告: that the personal computer was the bicycle of mind, 计算机是思想的自行车 and I believe that with every bone in my body, that of all the inventions of huma

发表于:2018-12-27 / 阅读(87) / 评论(0) 分类 名人传记

Task3: Changing Your Hairstyle to Improve Your Appearance Script If you want to look better, changing your hairstyle can be a simple fix. If youre trying to reach a weight-loss goal, a new hairstyle is a quick and easy way to freshen up your looksand

发表于:2018-12-29 / 阅读(111) / 评论(0) 分类 新视野大学英语:视听说教程 4

《英语流行话题阅读:语境识词3500》Unit68:时尚误区

发表于:2018-12-30 / 阅读(123) / 评论(0) 分类 英语语境识词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] He received a call to arms

发表于:2018-12-30 / 阅读(115) / 评论(0) 分类 每日攻克5词

379 、 石棉 asbestos;asbestus 380 、 石膏 PlasterofParis 381 、 示波器 oscilloscope 382 、 立体图 pictorialdrawing 383 、 交流电流 alternatingcurrent(a.c.) 384 、 交流电压 a.c.

发表于:2019-01-03 / 阅读(105) / 评论(0) 分类 英文名句短语

SEC(Single Edge Connector,单边连接器) Shallow-Trench Isolation(浅槽隔离) SIMD(Single Instruction Multiple Data,单指令多数据流) SiO2F(Fluorided Silicon Oxide,二氧氟化

发表于:2019-01-09 / 阅读(111) / 评论(0) 分类 实用英语

Up in arms At arm's length 在美国人讲话时,或从书刊报纸上,你经常可以听到或见到一些由手臂,就是英文里的arms这个字组成的成语或俗语。有些习惯用语从

发表于:2019-01-14 / 阅读(163) / 评论(0) 分类 美国习惯用语

The Great Wall has fascinated William Lindesay since he first saw it on a map. In 1987, the Liverpool native made his first trek along 2,470 kilometers of the landmark, and he has called China home ever since. 从第一次在地图上看到长城开始

发表于:2019-01-27 / 阅读(110) / 评论(0) 分类 阅读空间

The byword for dress in the Western business world is conservative. This means nothing too flashy, too provocative, too casual, too tight or too revealing. 西方商界对于上班着装的观念比较保守,指衣服不能太浮华、太张扬、太

发表于:2019-02-09 / 阅读(82) / 评论(0) 分类 实用英语

你是不是曾经对美剧主角们炫酷的口语赞叹不已?有没有想过自己有一天也可以像他们美国人一样说一口地道的英语?有理想就什么时候都不算晚,咱们今天就从这几个酷劲十足的句子开始吧

发表于:2019-02-09 / 阅读(90) / 评论(0) 分类 实用英语

Secretary-Generals Message on World Health Day 秘书长世界卫生日致辞 7 April 2014 2014年4月7日 Every year more than one million people die from diseases carried by mosquitoes, flies, ticks and other insects, such as triatomine bugs. These

发表于:2019-02-09 / 阅读(107) / 评论(0) 分类 英语笔译

[00:39.12]height 高度 [00:43.33]length 长度 [00:47.42]mathematician 数学家 [00:52.35]be required to do something 被要求做某事 [00:58.34]measuring tape 卷尺 [01:04.45]A team of mathematicians were required [01:06.76]to measure the heigh

发表于:2019-02-15 / 阅读(123) / 评论(0) 分类 英语笑话(MP3+文本)

介词是表示词语之间语义关系的词类。介词与其后的名词短语一一对号入座对词语的搭配关系更是至关重要。但是在有些情况下,有些介词是可以省略的,有些甚至必须省略。 1. 表示时间的短

发表于:2019-02-17 / 阅读(87) / 评论(0) 分类 英文语法词汇

遥感Remotesensing 多谱线扫描器Multispectralscanner 分辨率Resolution 像素Pixel 谱带Spectralbands 红外线Infrared 紫外线Ultraviolet 雷达Radar 轨迹Path 景物确认Sceneidentificat

发表于:2019-02-18 / 阅读(158) / 评论(0) 分类 英文语法词汇
学英语单词
abraximorpha davidii ermasis
acetyl piperidine
adventuresomely
advice cards
aerozoon
algol c
allocatings
Anglical
anisotropic diffusion coefficients
arabinosyl nucleoside
artificial horizons
Ban Hin Dat
barraged
Buddha
castras
catchment glacier
character of measure space
characterization foctor
chliasma
chromobindin
Clarke's tongue
clivvy hook
compound feed-screw
cosmic abundance of elements
covering letters
cucurbitene
cutter making machine
cyanizes
D5S
data storage apparatus
diameter outside bark
double budded tree
drapery department
drift test
dynamic MOS shift-register
dyse
fells
fetch sth to a close
gate arm
Georgenthal
grain loading booklet
half-darks
hemosome
impact of performance
infringe the sovereignty
inhabited environment
interrelated trade
isodromic
jackye
knife-edge armature
kulaks
Larantuka
lateral gustiness
lewis form
like a maniac
Loch Ness
long-hour
loquito
maranon
micropituicyte
minimum resolvable temperature difference
nationalization of enterprises
nidrs
non-stocks
nostalgia
page-printing teleprinter
painted leaves
paleogeologic map
periclinal chimaemeras
pique oneself upon
platanthera bifolias
pressure vessels
quatres
recursive method
rubberer
schmaltzs
segmentative
selective identification facility (sif)
Sideritis
sign an agreement
spenceley
spoonleaf yucca
startler
step up your game
surface-ship torpedo tube
tanger
tbsp
temperature humidity chamber
teratism of testis
terminal sensillum
thermoluminescent dosimetry
thin route master station
thumbnail representation
to drop out
toe extension
top science
toxic anemia
turtleneck sweater
unmotivates
vandal
voltaic element
yblessed