单价染色体;染色体单分体

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(141) / 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
Ainsliaea yunnanensis
ambiguity of brand meaning
attention dial tone
attitude index
basemen
bedrown
biological treatment
bragite
burning house
catalogoes
CD-R drive
centre of gravity path
cephalic plate
chromosome examination
clymenia
cobalt beam therapy
crossed-coil measuring
curlicues
custom device
definite purpose circuit breaker
design-base accident
Dirca palustris
drill for boring corners
dynamically scoped
eichstaedt
equal-armed
escamillo
exit quality
foilborne waterline
foliolate
German tamarisk
greyish-greens
habit disease
Hartia cordifolia
have sight of
heelplate
high-vacuum discharge
hispaglabridin
hookeri
ichthammol
implication table
indelibility
indicator gun laying
involute worm
j'adore
lawn-tennis
limbers passage
magnetic resistor
marine erosion coast
master negative
meconinic acid
meditatios
mellitic anhydride
microwave thawing
moon-phase mechanism
multiple dielectric interface
naphtha gas
newsflashes
Ngimbang
no-through-road
nodding action
nonamphibian
nuclear stockpile
oil pot
Otradnyy
parsimoniousness
philosopher kings
plasma protein-bound iodine
pre-act
pre-pardon
PROFIS
recidual lumen
remember doing
remote-controlled point
research society
revers voltage
sausage-shapeds
Saussurea sobarocephala
Shipibos
sieve-like texture
speedying
sponson
St-Didier-sur-Arroux
subcells
successful operation
super conductor
supersequences
swooned
symbolic delivery
tank fuel indicator
tertiary butyl perbenzoate
the obvious
theory foundation
Thyrocricoidectomy
ticcit system
toothed-lock washer
unpoetically
Vashon Island
Vormsi
wasses
yeong