硫化镓(I) {一硫化二镓}

Experimental Treatment Targets Drug-Resistant Bacteria You probably have heard about the Trojan Horse. Tradition says the ancient Greeks used a large wooden horse to trick enemy forces and capture the city of Troy. Now, researchers say a similar plan

发表于:2018-12-08 / 阅读(70) / 评论(0) 分类 2018年VOA慢速英语(十)月

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(88) / 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(152) / 评论(0) 分类 60秒科学

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(132) / 评论(0) 分类 2016年VOA慢速英语(十二)月

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(80) / 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(83) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acid-proof lining
allahu akbar
alternating current/direct current(ac/dc)
aquatic food biochemistry
atomic hydrogen welding
automatic storage class
baroquest
bearing end-shield
bergsohn
bust your ass
by-pass input record
calendry
cap lamp
church end
cold-air dryer
common Chinese cabbage-pakchoi
concaulescence
continuous leader
Corneilla
countermand
country rap
date last issue
Derelict Ship
derricking winch
destroying angels
dipl-
driver ant
duke's disease
egg picker
endodontium
Farino, Circonscription de
fashion-plate
free standing fuel element
ganglioniform
gene knockout
gram standard
gummint
gun chamber
half gable
high-repetition
hipposideros armiger terasensis
hydrotrac
hyperoxygenised
incision and exploration of ovary
IRCd
isobutyraldehyde
isolines
Klösterle
left context
lenities
Levoca
linck
logic add
Lysimachia tsarongensis
marchin'
Matejče
MDH2
mecaprine
metasomatose
microtoming
momentumless
monthly investment plan
mucodyne
multistage deep drawing
nonauthoritarians
Noric Alps
ocular-mucous
of the most humble pretensions
original program
owner-managers
paging service
paracytheridea dissecta
parovarial canal
pgms
physiological smog symptom
Prevost's sign
pulse capacitor
pyogenic cellulitis of floor of mouth
radices pseudoginseng
real capital stock
redd up
relief engraving
retinochrome
Saussurea chingiana
screen panel
sediment core
selective jammings
spongio-
starter condenser
subplanetary
Talezza, Jeb.
tapebreak
total impurity level
transcation
treating cold syndrome with heat methods
trithiophosphate
underween
vedantam
wet compression
wimbly-wambly
wink
Xiangjiao Shan