亚硝蒸气

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(189) / 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(239) / 评论(0) 分类 天真与经验之歌

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(130) / 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(120) / 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(131) / 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(172) / 评论(0) 分类 英国学生科学读本

研究报告:人类少吃肉对环境有好处 A new study says one of the best ways to curb greenhouse gas emissions is to eat less meat. In fact, the study says meat consumption in the developed should be cut by 50 percent per person by 2050. 一份

发表于:2018-12-19 / 阅读(348) / 评论(0) 分类 VOA双语新闻 2012年4月

1. What is the man's initial reason for visiting the dentist? A. He wanted to have a filling replaced. B. He needed to have a tooth pulled. C. He came in for a dental check up. 2. What problem does the dentist discover when he takes a look in the pat

发表于:2018-12-28 / 阅读(100) / 评论(0) 分类 听英文对话做选择

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(139) / 评论(0) 分类 英文摇滚歌曲

Addressing Climate Change through Diet A new study says one of the best ways to curb greenhouse gas emissions is to eat less meat. In fact, the study says meat consumption in the developed should be cut by 50 percent per person by 2050. Meat producti

发表于:2019-01-13 / 阅读(135) / 评论(0) 分类 VOA标准英语2012年(四月)

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(140) / 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(128) / 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(132) / 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(209) / 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(139) / 评论(0) 分类 英国学生科学读本
学英语单词
abstractable
accounting for foreign subsidiaries
actinic melanogen
additional power supply
agricultural chemical pollution
along ... lines
anti-modernist
apple tart
bacterioid
barrel reflector
C-pinacoid
canal rays
candidate for a job
cast resin
cr-spinels
dry as a brick
duckbilled platypuss
earnings-related benefit
earthquake energy
endaunture
erect standard
facies diaphragmatica
flat shoal
flidder
for ligamentum teres notch
fortnightly periods
framing code
Fresnoy-Folny
gennes
glass pearls
gravity return ram
Gwillimia
hand-schuller-christian(syndrome)
hassel
high low limit
hold someone in abhorrence
hot-wire voltmeter
indolate
indolylidene
intelligent information dictionary system
intertransverse muscle
intestinal mucous membrane
investment counsel
iodine eruption
iron(iii) arsenite
ironable
kalvarija (kalvariya)
Kraal
labilized gravity meter
logging data
loxoconcha panyinga
main memory unit
maximizable
metabolic bed
metastomium
mushroom distilling column
nepheloid zone
octapeptin
oedeme mucosum
onion salts
optoacoustic dctection method
organic phosphorus pesticide poisoning
original l/c
ovarian stigma
overhead cost
overwrapped
p-dicholorobenzene
pale-hued
past caring
phenylarsine oxychloride
physical mode
pimp tight
PPSAB
pre-render
rational form
re entrant
readership circulation
rocker-arm linkage
salubrinal
security authentication
selenite blade
semifinals
Sparmannia
sphaeristeria
suborbicular
subtractive mixture
suspended cymbal
synchronized diving
system of operation
tank foray
tertiary amyl
the scholars
thrown his sword into the scale
tobacco jack
toddled
unalphabetised
uranium scrap
urbotany
velocity-ratio
vincamicine
whyls
xenoplastic transplantation