音标:['ekskrәjmәsәjm] ;
n. [生]X染色体(性染色体的一种)
词型变化:名词复数形式 : x chromosomes

Alice: Hello, I'm AliceStephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sleepwalking. Have you ever walked in your sleep, Stephen? Stephen: I dont think so, but Ive been known to tell stories in my sleep. Al

发表于:2018-11-29 / 阅读(127) / 评论(0) 分类 六分钟英语

梦游症是会遗传的。 Alice: Hello, I'm Alice Stephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sleepwalking. Have you ever walked in your sleep, Stephen? Stephen: I dont think so, but Ive been known to

发表于:2018-12-27 / 阅读(110) / 评论(0) 分类 一起听英语

Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. Rosie: Hi there. Neil: Well, today we're talking about men. Rosie: That sounds interesting. Neil: It is very interesting especially if you'r

发表于:2019-01-07 / 阅读(100) / 评论(0) 分类 六分钟英语

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(144) / 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

1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient, which gives its fat a yellow color: 1、与传统牛肉相比,草饲牛肉中某种有益健康的营养素含量更高,并让脂肪呈现黄色,这种

发表于:2019-02-18 / 阅读(86) / 评论(0) 分类 阅读空间
学英语单词
abuilding
airfast
androecious
animal activity in soil
annex to
baryta spar ceramics
bogans
carbon power microphone
closed corporation
contralateral hemiplegia
contrived cessation of business
credit number
d'ohsson
DC voltage transformer
degradation of aldose
dendo
eating place
Edmond Rostand
electronic building brick
emergency category
enterprise integration
environment variables
EOST
equidistant channel
extraordinary reserve
face value
fax/modem
fetal abortion
Fuller, Andrew
gas strainer
gas-handling system
gidgees
goera prominens
grooved metal gasket
Haltmeier process
harbo(u)ring resentments and making false accusation
hernando cortezs
high-grade dyestuff
hold...against
humrus
iliacosubfascial
import embargo
jam-jar
Jangseong-gun
karpiloff
koel, koil
Krutovo
Laudism
law of the unity of opposite
limited shelf life item
lipotropic agent
long-term expenditures
magdelen
medium of literature
mirror tilting mechanism
multiphonics
murl
N-acetoxy-2-acetylaminofluorene
narrowly-defined
neighbourship
NG-minomethyl-L-arginine
normal temperature and pressure (ntp)
NOTB
olivegrower
on-pack
paraplagusia japonica
Parathorite
phillipsite tephrite
planhs
podiatrist
Price Earnings Growth Ratio
primary ionizing event
provitamin D-3
radiant gas burner
ramoser
rate of feeding
Rhododendron trichostomum
risk aversion principle
rivet symbol
sense-perception
shake the dust of something off one's feet
sound monitor
spiral bound
sports arena
stepwise line atomic fluorescence
take a bend to
take one's chance s
the method of section
Tirschenreuth
tissotiid
tower type
trailing dwarf shrub
transplanted
trialkyltin
Trofurit
urokon sodium
vodka martinis
Waksman, Selman Abraham
ware potatoes
winter squash plants
Xianju
Xiaoping