金属蒸汽放电灯

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(100) / 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(163) / 评论(0) 分类 天真与经验之歌

Alaudeen was a small boy. He lived in a village in Persia. He played in the streets with his friends often. One day he met a stranger in the road, while he was playing. He said that he was his fathers brother. He had seen him as a small boy. So you d

发表于:2018-12-12 / 阅读(99) / 评论(0) 分类 一千零一夜英文故事

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(46) / 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(47) / 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(51) / 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(55) / 评论(0) 分类 英国学生科学读本

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 idiosyncrasy [ 7idiE5siNkrEsi ] One of

发表于:2018-12-30 / 阅读(82) / 评论(0) 分类 每日攻克5词

036 The Old Street Lamp There once was an old street lamp standing on a remote corner of a town. The street lamp was worn out because he stayed up all night for several years to shine in a dark street. That's why he had to be replaced by a new lamp.

发表于:2018-12-31 / 阅读(187) / 评论(0) 分类 100个儿童英语小故事

Remembering the Lady of the Lamp 感谢白衣天使 As with natural disasters such as earthquakes, war exacts a heavy psychological toll on those of its victims fortunate enough to avoid death or injury. Ironically, one of the first recorded sufferer

发表于:2019-01-02 / 阅读(90) / 评论(0) 分类 双语有声阅读

By Roger Hsu Mephis, Tennessee 17 August 2006 watch Museum report The National Ornamental Metal Museum in Memphis is devoted to the conservation and advancement of metalwork. It is a place where metal smiths become synonymous with artists and where

发表于:2019-01-06 / 阅读(162) / 评论(0) 分类 2006年VOA标准英语(八月)

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: Metal Sonic is flying through space and comes to an asteroid field, you need to help him blast his way through without getting hit or its game over. Instructions: Move: Up

发表于:2019-01-08 / 阅读(161) / 评论(0) 分类 Daily Free Games

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(70) / 评论(0) 分类 英文摇滚歌曲

Staying with the precious metal, and Chinas largest gold company says the country will surpass India to become the top consumer of gold in the world. In the first three quarters of this year, China produced 284 tons of the yellow metal, a nine percen

发表于:2019-01-11 / 阅读(96) / 评论(0) 分类 英语演讲

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(66) / 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(53) / 评论(0) 分类 英国学生科学读本

紧凑型荧光灯 Compact Fluorescent Lamp 金卤灯 metal halide/halogen lamp 溴钨灯 Bromine tungsten lamp 汞灯 mercury lamp 钠灯 Sodium lamp 卤钨灯 Halogen tungsten lamp 碘钨灯 iodine tungsten lamp 氖灯/霓虹灯 neon lamp 石英灯

发表于:2019-01-17 / 阅读(84) / 评论(0) 分类 实用英语

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(69) / 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(117) / 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(64) / 评论(0) 分类 英国学生科学读本
学英语单词
acylimine
alarm-repeated transmission
Anagnostakis' operation
antiadultery
art-show
assemblypeople
awash wenz
barrier method
batting helmet
boilermakers' deafness
brine retaining valve
canucha miranda formosicola
carbalkoxylation
carbopolyminerite
CCD image sequential switcher
cement plant
Chev.
chromic trioxide
circumfetishist
clinchingly
cluster bomblet
common battery
convoy routing instruction
Crater Lake
decoding information
dementieva
disillusionized
disjoint element
external posterior seta
filter press blanket
giant pulse laser
grayson kirk
guarania
hemophilic arthropathy
herniology
high frequency ground wave radar
homosteric
hot melt method
hundredary
hydraulic controller
ilobolo
inhomogeneous broadening!
international unit (iu)
intramural plexus
kick something into touch
Kooyman Peak
leguminosaes
liagre
Liquid Audio
macrocy-themia
magnetic chuck
manassa
marcyable
mazolla
megalodiscs
micropumps
moreever
natural enemy microoganism
NDT (nil ductility temperature)
nodical
non-volcanic earthquake
nonmolten origin
orthopod
outside corner
penetrable
pervicacy
Pharmageddon
phlebographically
pioglitazone
pizazzier
polyphagous fungus
Pounanouya
practical certainty
preprogastrins
pulpitry
saleschildren
seat stand
sgth
shamie
sheet paper
sidelobe interference
Sidi Ali
single die
Sinicisms
snickerdoodle
snow removal
steam-jet pump
stereo amplifier
sternburg
Stickelberger ideal
Streptopus koreanus
student-centered instruction
subtiliative
sundry commission paid
taking characteristic
underground machine
urban culture
urino-
vacuum-cleaners
vironry
Williams Lake
zythum