复合X染色体

Scientists at the Whitehead Institute in Cambridge, Massachusetts say it's fortunate for humans that the Y chromosome is not on the verge of extinction. That's because the Y is the chromosome that makes males males. The outlook is less favorable for

发表于:2019-01-08 / 阅读(135) / 评论(0) 分类 2005年NPR美国国家公共电台

This is the VOA Special English Health Report. A miscarriage is the natural loss of a pregnancy before the twentieth week. This happens to as many as twenty percent of known pregnancies. Experts say many pregnancies end before a woman even knows she

发表于:2019-01-11 / 阅读(49) / 评论(0) 分类 2010年VOA慢速英语(八)月

The United Nation's World Food Program says rogue members of Somalia's extremist al-Shabab group attempted to raid its compound late Sunday in the Somali town of Wajid, about 300 kilometers northwest of Mogadishu. World Food Program spokesman, Peter

发表于:2019-01-14 / 阅读(84) / 评论(0) 分类 VOA标准英语2009年(八月)

What do these five words have in common: hotdog, fireworks, well-being, waistline, sunset and ice cream? They could all describe a fun holiday celebration. For example: My holiday was wonderful! I went to a friends party and we laughed, ate and had a

发表于:2019-01-21 / 阅读(117) / 评论(0) 分类 2018年VOA慢速英语(十二)月

By Elizabeth Carlassare. Todays topic is compound interest. Albert Einstein is often quoted as having said something to the effect that compound interest is the greatest wonder of the universe. Its an urban legend, but it packs some punch! In todays

发表于:2019-01-30 / 阅读(109) / 评论(0) 分类 货币英语

ISLAMABAD, Feb. 25 (Xinhua) -- The living compound of the former al-Qaida chief Osama bin Laden in Pakistan's northwest city of Abbottabad is being demolished, said one local media report. Local Urdu TV channel Express said that the front part of bin

发表于:2019-02-18 / 阅读(58) / 评论(0) 分类 英语新闻
学英语单词
-amic
Addams, Jane
ademetionine
alpinin
Amalocythere
anginose syndrome
anthocodial formula
arbitration in disputes between labor and capital
armenian monetary units
automatic milling machine
bagpiped
basilard
bet her boots
Bristuric
buccal margin
carbon tetrachlorides
chain console type writer
Chernyayevskiy
citronellic acid
climatotherapy
commercial house
cuspidaria nasuta
cutting shoulder
cy-cross
disjoint
dispatching telephone control board
distributed linear collector system
drying crack
dull resonunce
federal trademark dilution act of 1995
feedwater treatment pump
front-screen projection
fusco-rufous
hard evidence
hot wash
indicated lateral acceleration
inelastic behavior
ingression speed
instant-coffee
interphase power controller
istockphoto
khabri
kilonewton
Kleinhammer
leashore
lens watch
line data set
longitudinal cyclic pitch
malrotation of heart
melodramatisation
micelle lipase
Minh Tan
molecular orbital energy level
mthode
normalized echo intensity
oblique water entry
obtrude
offshore terminal
Ottange
parapsoriasis lichenoides
parotidoauricularis
pars lumbalis diaphragmatis
perfect liquid
photorefractive intermodal exchanger
picture format
pineapple
pneumatic-electric signal converter
pneumatologic
polyclonal activator
previously vaporized charge
protected level
psilophytes
rapid washing
raspberry ripples
recitation room
roll-type stripping unit
scarificato
sea sawdust
seleniuret
selfindexing
shadflies
sheer line at center
sliding bar
slope of bat
square nose tool
squary
standard consistency
steel strut
sternothyroid muscle
subsystem programmer
Taean
topographic data
torch lily
tunnel maintenance
turn-signal
verbanol
virgin curve
wave drag
wounty
Y ponomeutidae
yanick