往复突变

Long-Term, Reversible Contraception Gains Traction With Young Women play pause stop mute unmute max volume 00:0004:07repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Fl

发表于:2018-12-18 / 阅读(59) / 评论(0) 分类 2016年NPR美国国家公共电台10月

This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now

发表于:2018-12-24 / 阅读(51) / 评论(0) 分类 Scientific American(五)月

This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 Scientific American(五)月

191. The anal-retentive retailer保留肛门性格的零售商 restrictive-revision There was a retailer who specialized in selling reversible clothing. Being anal-retentive, his personality was somewhat restrictive, which tended to retard his sales.

发表于:2019-01-08 / 阅读(43) / 评论(0) 分类 胡敏托福词汇记单词

Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they

发表于:2019-01-11 / 阅读(86) / 评论(0) 分类 英语新闻

Who do you think your pet is? Learning from Your Dog's DNA 你认为你的宠物是谁?狗狗DNA中的发现 A simple cheek swab can reveal your dog's ancestry, provide insight into its health and even help explain its behavior 擦一下狗的脸就可

发表于:2019-02-21 / 阅读(103) / 评论(0) 分类 人物杂志
学英语单词
adduct number
alkitran
alternative depth
aqueous fuel reprocessing plant
Arsakoy
atmospheric biology
australian merino sheep
auto increment addressing
autogenous lung oxygenation
betayne
bugarija
Burdizzo pincer
calibratings
Ch'ing dynasty
changing trend
chokebored
cinnamyl cinnamate
compliance area
convolvulaceous
crafte
cuninghames
death mimicry
diabloes
digimatic osmometer
dissymmetries
dowel milling and cross-cut machine
down at the mouth
electric sensing devices
extensor caudae
family Bramidae
fast-jets
fibrinemia
filter oscillator
fish gelatin agar
front court
Gene's organ
geodesic system
Get Moded
go beyond the veil
hardwearing
hawizeh
high palate
ice lollies
in short meter
insurance adjuster
Jaccoud's sign
kepler motion
knowledge work
Koninckophyllum
kopitiam
l'chaim
laser leveling
linear programming solving
Machilus microcarpa
magnetic ticket
main flow
marss
master curve
maximum acceleration
mclane
melinda crinitarsis
mesostylid
metal-organic
micrograined
mildewbronze
multiple copy
nail making wire
noludar
normal key
Owl Nebula
pal(a)eoichnology
phosphorofluoridates
pomarine jaeger
poroplastic
prior charge
Program folder
push-type clutch
put in the programme
quantized visual signal
RCA connector
reserve for
scrimption
semi-sealed beam unit
single-span flexible support
St. George
stagnant blockade of heart blood
state of the State message
subsistence homestead
sulphurenic acid
supernaturalistic
synergic reagent
tilting ram guide
time-sharing statistics
took to be
topless meetings
torney
torque ripple
unmail
vallon
vehicule
warrey
wgr