蒸汽密度器

useless 无用的,没有价值的 user 用户,使用者 usual 通常的,平常的 usually 通常 utility 效用,实用 utilise 实用 utilize 利用 utmost 极度的,极端的,极限 utter 完全的,彻底的说 vacant 空闲的,空缺的

发表于:2018-12-01 / 阅读(102) / 评论(0) 分类 大学英语四级词汇拼读版

The Little Boy Lost 小男孩的迷路 'Father, father, where are you going? 父亲、父亲,你往哪儿去? O do not walk so fast! 啊,别走得这么快呀。 Speak, father, speak to your little boy, 说话呀,父亲,跟你孩子说话呀

发表于:2018-12-06 / 阅读(166) / 评论(0) 分类 天真与经验之歌

It's easy to appreciate the power of the sun 在这样炎热的夏日,站在德州湾海边 on a nice hot summer's day like here on the Texas Gulf Coast. 不难体会太阳的威力 And you can feel the power of the sun on your skin, 皮肤能清楚感

发表于:2018-12-07 / 阅读(88) / 评论(0) 分类 2006年慢速英语(五)月

Every day the sun's rays change thousands of tons of liquid water into water-vapour; 每天, 太阳光都能够将数千吨的液态水转化为水蒸气; and this water-vapour mingles with the air, and is carried along by the wind. 随后, 水蒸气

发表于:2018-12-18 / 阅读(51) / 评论(0) 分类 英国学生科学读本

When we change a liquid into vapour, and cool this vapour till it is liquid again, 将水加热成水蒸气, 然后对其进行冷却直至再次液化, we are said to distil the liquid, and the apparatus for doing this is called a still. 这个过程就

发表于:2018-12-18 / 阅读(52) / 评论(0) 分类 英国学生科学读本

Thus by heating liquids we cause them to evaporate, or change into vapours or gases; 因此, 可以看出:我们能够通过加热液体使得它们蒸发, 变成水蒸气或气体; and by taking away heat from these gases, or cooling them, we tu

发表于:2018-12-18 / 阅读(61) / 评论(0) 分类 英国学生科学读本

Lesson 88 Condensation 第88课 冷凝 When the water in a kettle boils, it boils first at the bottom. 当水壶中的水沸腾时, 首先开始沸腾的是底部的水。 We cannot see this in a kettle, because the kettle is made of iron. 我们无法

发表于:2018-12-18 / 阅读(61) / 评论(0) 分类 英国学生科学读本

洪都拉斯新总统宣誓就职 TEGUCIGALPA, Jan. 27 (Xinhua) -- Juan Orlando Hernandez, of Honduras' conservative National Party (PN), was sworn in Monday as the country's president amid tight security at a ceremony in the capital Tegucigalpa. At

发表于:2019-01-07 / 阅读(143) / 评论(0) 分类 英语新闻

I'll take what you got got got I know it's not a lot lot lot Cause I just need another hit You're the thing that I can't quit You got what I want want want Here and then you're gone gone gone If you told me that we were through You know that I would

发表于:2019-01-10 / 阅读(77) / 评论(0) 分类 英文摇滚歌曲

By Larry London Washington, D.C. 16 February 2007 watch RJA report Their name means nothing at all, but is instantly memorable. Their sound mixes heavy metal guitar with danceable beats of pop punk, and is instantly recognizable. Florida rockers Red

发表于:2019-01-12 / 阅读(141) / 评论(0) 分类 2007年VOA标准英语(二月)

Lesson 70 Evaporation 第70课 蒸发作用 Let us fill a small kettle with water, and place it on the fire. The water will soon begin to boil. After an hour or so we shall find the kettle quite empty, although no one has touched it since it was plac

发表于:2019-01-17 / 阅读(67) / 评论(0) 分类 英国学生科学读本

The finger which is wet with alcohol will be dry before you can count ten, while the finger which is wet with water may take a minute or more to dry. 在你数到十之前, 那根沾有酒精的手指就会变得干燥, 而另外一根沾有水的手指

发表于:2019-01-17 / 阅读(55) / 评论(0) 分类 英国学生科学读本

As 2014 draws to a close, its time to look back and see which words have been significant throughout the past twelve months, and to announce the Oxford Dictionaries Word of the Year. Without further ado, we can exclusively reveal that the Oxford Dict

发表于:2019-02-04 / 阅读(71) / 评论(0) 分类 英语新闻

The selfie stick didn't always look like this. The original patent was filed all the way back in 1984, before cell phones were ubiquitous. Before the word selfie was even coined, let alone in the dictionary. The first selfie stick was neither as eleg

发表于:2019-02-04 / 阅读(68) / 评论(0) 分类 阅读空间

加拿大研究人员开发雷达隐身衣 TORONTO, Nov. 25 (Xinhua) --- Witches and magic may not exist, but Harry Potter's invisibility cloak certainly does. A pair of researchers in the Canadian city of Toronto have developed their very own cloaki

发表于:2019-02-05 / 阅读(112) / 评论(0) 分类 英语新闻

HARBIN, March 2 (Xinhua) -- A therapeutic(治疗的) apparatus to treat Parkinson's disease has been developed in northeast China's Heilongjiang Province, according to the provincial science and technology department. It is a worldwide breakthrough i

发表于:2019-02-06 / 阅读(97) / 评论(0) 分类 英语新闻

The Worrler of Qi A man of the state of Qi was afraid that the sky would fall down and the earth would cave in.The thought that he would not be able to find shelter when that happened worried him so much that he had no appetite for food and slept v

发表于:2019-02-07 / 阅读(123) / 评论(0) 分类 趣味英语

Lesson 35 Getting up Steam 第35课 蒸汽往上冒! Do you want to know what steam is? Let us get a lump of ice, or a snow-ball, and place it in a saucer in a warm room. It soon melts, and then the saucer is half full of water. If we leave the sau

发表于:2019-02-07 / 阅读(66) / 评论(0) 分类 英国学生科学读本

ABIDJAN, Dec. 6 (Xinhua) -- Cote d'Ivoire's political crisis deepens with the appointment of two prime ministers by the two presidential candidates declared the winner of the Nov. 28 run-off respectively by the electoral commission and the Constituti

发表于:2019-02-08 / 阅读(110) / 评论(0) 分类 英语新闻

Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析,夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns

发表于:2019-02-16 / 阅读(85) / 评论(0) 分类 经济学人科技系列
学英语单词
AACC (American Automatic Control Council)
adaptive vertical sync
adjudge
anemopter
annual gradient
area pellucida
arrhenotocous parthenogenesis
B encephalitis
bacterial wilt of cucumber
balanced steel ratio
beat cob work
benzine purificatum
beuscher
Caralluma
Chae Hom
charge stock
circle of declination
citybus
clue conflict
colourtype
compufan
computer-directed communication
cranhams
databasings
domical architecture
dynamic balance
early in
electronic speech synthesizer
epitaxial-growth mesa transistor
etymological hybrid
Eudoxus of Cnidus
eupraxic center
exchange area layout
feeler stop
flog the cat
flucticulus
Forster synthesis
George Armstrong
goosy
greenmantle
gweilos
HCO
imix
impacting frequency
jump the rattler
kivus
krause
lamoca
Legal Person of Profit Making
life assurance
lime stone flux
LPIFB
lubrication pressure regulation
Lyadova
marginal utility theory of interest
master-chef
moldic porosity
nail bomb
natural cement
nem.dis.
newton's first law (of motion)
noctuolent
nodular type
Oetinghausen
off-line storage
ovulation pit
plant trimming and pruning
pole changing switch
prairie mallows
Preferinces
premeostrua
pressur-exciting points
prothrombin accelerator
random element
ratchet reversing gear
return operator
round strand hoisting rope
saluted-luting
science of campaigns
self-attitudes
self-contained bearing
septum of testis
servitutes praediorum urbanorum
Sir Alec Guinness
SLNWC
specific epithets
spontaneous hardening
standard error of the estimate
straight tie
sympathetic abscess
time lag action
time-domain equalization
turfy
Typhlocarcinus villosus
umbrella roof
un-sunshine
unchildish
unchoice
union of weak completions
unprimed
Welsh corgis
world history