[化] 硫化镁

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(243) / 评论(0) 分类 太阳科普

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(194) / 评论(0) 分类 cnn2009年(十一)月

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(271) / 评论(0) 分类 60秒科学

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(192) / 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(170) / 评论(0) 分类 英语新闻

Eat Nuts to Stay Healthy 吃坚果有助保持健康 From VOA Learning English, this is the Health Lifestyle report. People have long known that nuts are part of a healthy diet. However, scientists in the Netherlands recently found that you do not ne

发表于:2019-01-12 / 阅读(176) / 评论(0) 分类 2015年VOA慢速英语(七)月

From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other

发表于:2019-01-12 / 阅读(249) / 评论(0) 分类 2016年VOA慢速英语(十二)月

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(210) / 评论(0) 分类 阅读空间

Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n

发表于:2019-01-26 / 阅读(177) / 评论(0) 分类 英语听力文摘 English Digest

Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this

发表于:2019-01-26 / 阅读(187) / 评论(0) 分类 英语听力文摘 English Digest

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(156) / 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(207) / 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(171) / 评论(0) 分类 阅读空间

Sore heads the morning after the night before could become a thing of the past thanks to a 'revolutionary' new drink - designed to prevent HANGOVERS. 一种专为防止宿醉设计的革命性新饮品有望令宿醉第二天早上醒来后的头痛成

发表于:2019-02-05 / 阅读(275) / 评论(0) 分类 阅读空间

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(244) / 评论(0) 分类 阅读空间

Researchers have developed a method to activate electronic implants in the body and eliminate bacterial infections using a wireless signal。 研究者已经开发了一种运用无线信号激活人体中电子植入物来消除细菌感染的方法。

发表于:2019-02-08 / 阅读(217) / 评论(0) 分类 英语新闻

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(198) / 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(219) / 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(227) / 评论(0) 分类 阅读空间

Beer is a low-alcohol beverage obtained by fermentation of malt. The main ingredients involved in the set are: malt, yeast, hops extract (plant bitter taste) and carbon dioxide, which is what makes soda. One positive aspect is that the beer has less

发表于:2019-02-18 / 阅读(169) / 评论(0) 分类 阅读空间
学英语单词
16-bit word
abrasives (grinding material)
acclivities
actinopiline
aft hold
aid with no conditions attached
air-transportation
Allaben
apprehension span
aprion virescens
arrive in
asymmetric radiation
Biliran Str.
Blachia
bolt steel tank
Bottoms up.
branch fault
Braxton Hicks sign
cante
countermarks
cross rung
debunkings
delaria
delocalized orbital
denerdify
dihexagonal form
diorio
downlink data
driving in running-in period
electron beam laser
ensient
enzootic pasteurellosis of rabbits
Etamicycline
ethylpentane
extinguishment of common
fail-safes
Fanar
flair bartenders
flux keeper
followed by
foofaraws
fumy
goldweights
graduated compress
hemorrhoidal ring
high-vacuum
hollow jet needle valve
hormone-dependent type
horvats
image storage device
Imagon lens
in a humorous vein
isogeneic bone marrow transplantation
Kibbish(Kibish)
Maine Coon
Maurice Utrillo
mentorlike
musquettoon
Mycobacterium phlei
nash-cloth
nonacupoint
nondepartmental
ochlerotatus (finlaya) harveyi
phyllocarpic movement
plucking time
position risk
posterior probability law
printed chart size
pronounced opinion
Punam-do
queuing routine
r-tyler
Reaganite
rehybridize
reset check valve
rheostatic brake
ribbon cable connector
right posterior coelom
rock fiber
roentgn ray
S.B.M.
sarcrose fatty acid ester
screen grid
shadowgram
shannon function
Shirasuna-yama
single-pole single-throw
song-thrushes
split-segment die
spontaneous evolution
Strategic Air Command communications network
suitlike
take someone up sharp
tapsalteerie
thiodiglycol
torque reaction
true index
tsnigriite
tv recording and relaying vehicle
varicam(variable-camber) airfoil
whitening transformation
workcation