氯化铵镁溶液

The composition of the sun lies in this bar code. 这个条码说明了太阳的组成 All the thin lines are caused by tiny amounts of complex elements 这些细细的线条,都是微量复杂元素造成的 metals like iron and magnesium. 好比说

发表于:2018-12-07 / 阅读(117) / 评论(0) 分类 太阳科普

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(98) / 评论(0) 分类 VOA标准英语2014年(六月)

Two Australians, Mack and Jill, are camping on Kangaroo Island. M: Look! There's a koala hugging a tree. They're really so cute. Jill, why are you crying? J: The government's planning on killing them

发表于:2018-12-08 / 阅读(261) / 评论(0) 分类 赖世雄中级美国英语

In business, Optus has called for Telstra's proposals on its participation in the national broadband network to be blocked. Optus' chief executive Paul O'Sullivan says Telstra's current plan for the separation of its retail and wholesale arms wholesa

发表于:2018-12-11 / 阅读(101) / 评论(0) 分类 澳洲ABC新闻快递2011年

Dieting isnt always easy, particularly if you have a sweet tooth. But by adding strawberries to your diet, you can enjoy a range of guilt-free dishes, drinks and snacks any time of day. Best of all, strawberries are low in calories, high in fiber, fa

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 阅读空间

As the new year rolls in, taking stock of the one just past can prompt the age-old resolutions, 'eat healthier' and 'make better choices'. 新年伊始,人们在对过去的一年做出总结的同时也会写下自己的新年愿望,如吃得更健

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 英语新闻

Eating when stressed can be a bad habit when the food of choice is a candy bar or bag of chips. Try these healthy foods that are actually proven to lower stress levels. 当有压力的时候如果选择吃糖果或者薯条对健康是有坏处的。试

发表于:2019-01-16 / 阅读(119) / 评论(0) 分类 阅读空间

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(86) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(136) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(98) / 评论(0) 分类 自然百科2009年

AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have

发表于:2019-01-30 / 阅读(110) / 评论(0) 分类 农业与发展

From fast food to a bowl full of leafy greens, snacking on something we enjoy is a guaranteed pick-me-up. But not all food types are good for us in the long term. Here's a list of the mood-boosting foods that will keep you happy and healthy. 从快餐到

发表于:2019-02-01 / 阅读(60) / 评论(0) 分类 实用英语

Avocado 牛油果 In addition to its flavorful taste and rich and creamy texture, this fruit (yep, it is indeed a fruit!) is loaded with antioxidants and can help you lower your bad cholesterol. Whether you eat it in a salad, spread on toast, or even

发表于:2019-02-01 / 阅读(94) / 评论(0) 分类 实用英语

Here are some facts about sweet potatoes you probably don't know: 这里有一些关于红薯你可能还不知道的事实: Sweet Potatoes Originated in the Americas 红薯起源于美洲 They're in the family of plants that includes morning glori

发表于:2019-02-02 / 阅读(61) / 评论(0) 分类 阅读空间

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(86) / 评论(0) 分类 地道美语播客

Sleep well, sleep better If sleep has plunged to the bottom of your to-do list, you're not alone. Although the National Sleep Foundation recommends getting seven to nine hours of sleep a night, the average American logs only six hours and 40 minutes.

发表于:2019-02-07 / 阅读(117) / 评论(0) 分类 阅读空间

Jobs's passion for perfection was out of control. 乔布斯对于完美的热情已然失控。 When he noticed a tiny line in the chassis caused by the molds, 当他注意到模具在机箱底盘上留下的微小细纹时, something that any othe

发表于:2019-02-15 / 阅读(87) / 评论(0) 分类 乔布斯传

1. It is very hydrating. 盈润保湿。 Celery is high in water content (95% water) and electrolytes, which are vital for proper hydration and cellular functions. For a super re-hydrating drink (e.g. after a long flight or after having food poisonin

发表于:2019-02-17 / 阅读(109) / 评论(0) 分类 阅读空间

We all get a little stuck sometimes. 每个人都有不通畅的时候。 Constipation can be caused by a host of things: A poor diet, a poor exercise routine and often stress can all contribute to discomfort on the toilet. 便秘的原因有很多:饮

发表于:2019-02-18 / 阅读(112) / 评论(0) 分类 阅读空间

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(163) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
ability for
added edition
annelated
antinihilist
Arnoseris minima
autoglossonyms
Bakhadda, Barrage de
banamba
batter's syndrome
be transported with delight
bioindication
bledner
border leicester wool
calligraphization, calligraphisation
camelion
celentanoes
center of dispersion
co-aunt
colossum
compensation for labor object
condensed phosphoric acid
cultivate seedlings
Cutivate
cyanurin
drain time
drdo
engineering time
Erysimum officinale
Euonymus hystrix
Fagopyrol
fictitious state
for life
from long ago
frost-freer
Gardone Val Trompia
gas at rest
generalized extreme value distribution
hand-block
harkings
honey press
I Chronicles
imphees
infantile features
insulating stick
international federation of air traffic controllers association
interreader
intravenous cannula infusion
irradiation damage
jelliums
joint overseas ventures
laisse
lateral refraction
lead of brushes
manufacturing efficiency
meanvalue
measuring aerial
moving iron voltmeter
night-time seeing
nonnumeric operand
nordgren
Norwegian Deep
nouse
olims
opalise
operating costs
options market maker
P. E. G.
passed off
pay card
perioral
pew-opener
plaqueless
point of incipient fluidization
Polytoca digitata
primary sample
primo uomo
quartz furnace atomizer
reliability report
remoto-cut-off tube
rhizonychium
Shōkawa
SID
slitting serration
slope air course
software flexibility
sternoscapular
subcritical nuclear process
subnuvolar
surdimute
tandem bicycle
tetraazidomethane
Tombetsu-gawa
turned sorts
turved
Tutcheria ovalifolia
ultrasonic metal inspection
underwater illumination intensity
valiquette
variance for stratified sampling
vertical double action press
weary-looking
zero morphism