炉水浓度;锅水浓度

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2018-12-03 / 阅读(87) / 评论(0) 分类 初学者听力文摘精选

Some methods of preserving food are easy to understand. 一些保存食物的方法很容易理解。 For example, it's easy to see that freezing your food, or packing it in salt, would make it inhospitable to the microbes which would otherwise cause

发表于:2018-12-28 / 阅读(82) / 评论(0) 分类 初学者听力文摘精选

Fish do drink water, but how they consume it depends on where they live. Water gets into a fishs body through osmosis, the process in which water diffuses from a higher to a lower concentration. 鱼儿确实喝水,但它们怎样喝水却取决于其

发表于:2018-12-28 / 阅读(55) / 评论(0) 分类 初学者听力文摘精选

The Norwegian people catch herring in nets, then they salt, smoke, or dry them to make sure they will keep almost forever without spoiling. 挪威人用网打捞鲱鱼,然后,用盐腌制、用烟熏制、或晒干风干,用各种方法保存鲱鱼

发表于:2018-12-28 / 阅读(81) / 评论(0) 分类 美国学生世界地理教材

Psychologically defined, concentration is the process of centering one's attention over a period of time. In practical application, however, concentration is not as simple to deal successfully with as the definition may imply. For this reason, it is

发表于:2019-01-02 / 阅读(116) / 评论(0) 分类 双语有声阅读

职场就是这般的不讲道理,你以为你的加班会被领导认可,但没准儿领导还以为你在利用公司的资源做私活Nowadays things aren't going smooth. College graduates are having a hard time finding jobs as there are too f

发表于:2019-01-11 / 阅读(82) / 评论(0) 分类 阅读空间

A.非真实条件句 (if引导); That is no doubt that if she had not lost her rudder she would have won the race easily. B. 建议、命令类从句(should); he always insisted that it should be written out in full. C. Wish等特殊词汇引导的从句

发表于:2019-01-14 / 阅读(91) / 评论(0) 分类 英文语法词汇

Potboiler: 粗制滥造的作品 对作家而言,最痛苦的事莫过于读者认为他的文章是potboiler(为混饭吃而粗制滥造的文学作品),更通俗一点,某本小说被认为写得很烂。文章烂怎么会和boiler(锅炉

发表于:2019-01-16 / 阅读(63) / 评论(0) 分类 英语口语

ARI SHAPIRO, HOST: The National Museum of African-American History and Culture here in Washington has many artifacts connected to slavery. For one woman, visiting the museum this week was a literal homecoming. Isabell Meggett Lucas was born and raise

发表于:2019-01-17 / 阅读(64) / 评论(0) 分类 2017年NPR美国国家公共电台4月

小心搬运 Handle with car 此面朝上 This side up 请勿抛掷 Don't throw down 易腐物品 Perishable goods 请勿平放 Not to be laid flat 请勿用钩 No hooks 保持冷藏 Keep cool, Keep in cool place 避免日光直射 Keep out of the di

发表于:2019-01-17 / 阅读(93) / 评论(0) 分类 阅读空间

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2019-01-26 / 阅读(77) / 评论(0) 分类 英语听力文摘 English Digest

Mo Yan's new book to debut amid craze BEIJING, Oct. 12 (Xinhua) -- Nobel Laureate Mo Yan's new book, a collection of three plays, will hit the market next week. The book Our Jing Ke will be published by the New World Press, according to Chen Liming,

发表于:2019-02-02 / 阅读(77) / 评论(0) 分类 英语新闻

The more you know about the various heating systems that are available on the market today, the better able you will be to choose the best one for your home. Obviously, your main goal (besides being comfortable), is to have a heating and air conditio

发表于:2019-02-04 / 阅读(120) / 评论(0) 分类 实用英语

Science and technology 科学技术 Solar energy 太阳能 Flower power 花朵的能量 In matters of clever design, nature has often got there first 若论巧夺天工,自然常常更胜一筹 A virtuous spiral 上面的螺纹看似简单,实际有

发表于:2019-02-06 / 阅读(87) / 评论(0) 分类 经济学人科技系列

法国巴黎最大的公共住房项目近日宣布将利用地铁中乘客身体释放出来的热量为市中心的一个公共住房项目供暖。据悉,该项目是基于地热技术研发的,地铁和供暖建筑物通过一个楼梯连接。

发表于:2019-02-07 / 阅读(85) / 评论(0) 分类 阅读空间

There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th

发表于:2019-02-07 / 阅读(146) / 评论(0) 分类 英国学生科学读本

Personal Productivity in the 21st Century What does it mean to be productive? The gurus have given us a few ideas it means to get things done, to be highly effective, to know who it was, exactly, who moved your cheese. What things, effective at what,

发表于:2019-02-13 / 阅读(105) / 评论(0) 分类 阅读空间

An oil-splattered BP(英国石油公司) engineer's boiler suit has become one of the most successful Halloween costumes in the United States. More than 10,000 of the outfits have been sold in the approach to this year's October 31 holiday, which

发表于:2019-02-17 / 阅读(111) / 评论(0) 分类 英语新闻

Today we meet the English word folly, and we visit a strange old building and an art exhibition. Lets start with the word folly. I guess you know what foolish means. If someone is foolish, he or she does stupid or unwise things. We can call such a pe

发表于:2019-02-19 / 阅读(98) / 评论(0) 分类 听播客学英语

Some methods of preserving food are easy to understand. For example, it's easy to see that freezing your food, or packing it in salt, would make it inhospitable to the microbes which would otherwise cause it to spoil. You might wonder, however, about

发表于:2019-02-24 / 阅读(62) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
air-to-close
AMPN
anterior lip
astrobiologist
awwww
Ayon, Ostrov
bank-acceptance
battery bridle insulator
braced pier
burgundy bottle
Calpol
cam-nosed
carbon tube
carlen
carp at
caulo-
channel radius
chemical engineering construction cost index
Cheviots
cleaned-out
complete fistula
condition rule
coniform
dermatological surgery
devexities
diffusion enlarger
diluviums
Dion and the Belmonts
directionalities
drip water plate
dull up
eather
edward franklin albeens
electric breeze
Eschrichtiidae
face of screen
file maintenance form
fluorimetric
Fullerian
generic formal object
glossly
haul sb over the coals
honesty box
honeypies
hydricity
kinkondja
kitfo
lash to
local immunity
logistic maintenance data
manwards
mendis
Microsoft Passport
mode-setting commands
monkey spanner
mucochloric acid
Nd-doped phosphate glass laser
Negishi encephalitis
network weaving
non-adherent
one-person household
orison
overseas remittance
parallelepipedon
phanom dang raek
phosphoenolpyruvic acid
picture rich in detail
Platonists
press roller
propionylamino
radiator mounting spring
raindrop freezing
red jungle fowls
religionate
rovarna
samfords
sensitivity drift
setoes
soap substitute
spectrohe-liograph
stocks speculation
sucrosum
sunsetting
Sweetland filter press
synchronous data transmission
Tarbellized
technical worker
the standard model
thermal trapping model
transport in production process
tunnel diode circuit memory
unableness
undesceended testis
undistractable
unusual return
upright line skeleton hand
value added product
verminous pneumonia
waggery
well out of something
William Shakspere
world picture