n. X染色体(性染色体的一种)

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

The 2009 Nobel Prize in physiology or medicine goes to Harvards Jack Szostak, Johns Hopkinss Carol Greider and Elizabeth Blackburn at U.C. San Francisco for their work on how chromosomes are protected by telomeres and the enzyme telomerase. The Nobel

发表于:2019-01-08 / 阅读(50) / 评论(0) 分类 Scientific American(十)月

Every villain has his Achilles' heel. And microscopic scoundrels are no exception. The challenge for those who wish to ward off microbial bad guys is to identify that weak spot. Now, scientists studying the toxoplasmosis parasite think they've done j

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 Scientific American(三)月

PEOPLE IN AMERICA - Barbara McClintock, 1902-1992: She Made Discoveries about Genes and Chromosomes CHRISTOPHER CRUISE: This is PEOPLE IN AMERICA in VOA Special English. Today, Jim Tedder and Shirley Griffith tell about Barbara McClintock. She was on

发表于:2019-01-12 / 阅读(33) / 评论(0) 分类 2012年VOA慢速英语(六)月

If your teenage son or daughter is blighted by acne, they can take heart. 如果你那处在青春期的儿子女儿正饱受粉刺痤疮的摧残,那么是时候振作起来了。 For while they may feel greasy and unattractive at the moment, by m

发表于:2019-02-18 / 阅读(54) / 评论(0) 分类 趣味英语

饶舌:Tech N9NE - Leave Me Alone 相关介绍 :2008年9月是Tech N9NE事业的一个里程碑,他的双CD专辑《Killer》突破100万张的销售记录。2009年4月7日,Rock The Bells 2009 Festival邀请他来做演出,今年10月的最新

发表于:2019-03-02 / 阅读(155) / 评论(0) 分类 节奏布鲁斯
学英语单词
absorption type terrace
adjoint orthogonal system
advanced life and health insurance
air ventilator
Alagez Mount
Albaka
algicidal
arnao
axial condenser
barlow's wheel
batch operating system
Board of Broadcast Governors
Breeches Bible
broadcloth
BTO
cargo lashing chain
circumspective
cleidorrhexis
collecting main pressure
comprehensive faculty
Consortium banks
cook-wrasse
debel
distie
do unto
Dongjeom
early test
elevator illusion
elixir thymi
endless rope
ends-means
final audit
genus Oxyura
graphical determination
group delay measuring equipment
group-diffusion method
habutae
Halobacteroidaceae
halogen lamp
Homobasidiomycetes
indica
ineffaceable mark
Lappula stricta
leaching agent
loungin'
LSD25
lysotyping
make a pit stop
maltheist
metkephamid
midi-chlorian
Munronia henryi
negative counting
out-fighting
output coupling device
padding cloth
pantograph mechanism
paravivianite
philol
photo echo
phyletic correlation
pictishes
plying machine
pneumatic timer
point-of-information
presence awareness
presumptuousnesses
proper minimum
proterochampsas
pump excitation
reentrant foam
revel away the time
Rhamnus davurica
second bomb damage
shirts
siphonium
social activist
staphokinase
steel bottom rim
step in attenuation
sucktastic
summer forest
supermarketing
Synasteron
terminal jobs
terraciano
thigmanesthesia
Traceback
travelling table bone saw
treelengths
tripod collar
two-way sort merge
unbiased estimating equation
uncommuted
Usania
uselessnesses
Vicente Guerrero
voman
whole energy competition
wound respiration
Yukagirskoye Ploskogor'ye
znso