时间:2019-02-20 作者:英语课 分类:留美老师带你每日说英文


英语课

 In 2007, scientists compared height and DNA 1 between more than 11,000 pairs of siblings 3 and found that, across humans, 86% of height's variation can be explained by genetics. As traits go, this is very high; for comparison, genetics only explains about 26% of left-handedness.

在2007年时,科学家将11000多对手足的身高与DNA进行比较,结果发现:整体看来,人类86%的身高变化可以用基因来解释。以基因对人类特征的影响性来看,这个比例算是相当高的;相较之下,左撇子就只有约26%是跟基因有关。


学习重点:


1.compare 比较,对照

compare (v.) 比较,对照

contrast (v.) 形成对照


2.pair 一对,一双

pair (n.) 一对,一双

pair (v.) 使成对


3.sibling 2 兄弟姊妹

sibling (n.) 兄弟姊妹


4.variation 变化;变动

variation (n.) 变化;变动

various (adj.) 不同的;各种各样的


5.genetics 遗传学

genetics (n.) 遗传学


 


6.trait 特征,特点

trait (n.) 特征,特点



(缩)deoxyribonucleic acid 脱氧核糖核酸
  • DNA is stored in the nucleus of a cell.脱氧核糖核酸储存于细胞的细胞核里。
  • Gene mutations are alterations in the DNA code.基因突变是指DNA密码的改变。
n.同胞手足(指兄、弟、姐或妹)
  • Many of us hate living in the shadows of a more successful sibling.我们很多人都讨厌活在更为成功的手足的阴影下。
  • Sibling ravalry has been common in this family.这个家里,兄弟姊妹之间的矛盾很平常。
n.兄弟,姐妹( sibling的名词复数 )
  • A triplet sleeps amongst its two siblings. 一个三胞胎睡在其两个同胞之间。 来自《简明英汉词典》
  • She has no way of tracking the donor or her half-siblings down. 她没办法找到那个捐精者或她的兄弟姐妹。 来自时文部分
标签: 口语
学英语单词
accident product
alkali resistance
altheine
Anthemis nobilis
Atchane, Hamadet el
bainite
beclasp
blogettes
bnr diode
bring sb in
brookfields
calcio-chondrodite
candidate-personal crisis
capillary injection
catalase activity
chachacha
chromo-isomerism
co-implicate
combustion tube furnace
commission to take deposition
consumption technology
copper clad asbestos gasket
crushing rate of gasket
Cynanchum kingdonwardii
cystoid degeneration of retina
davo
depicter
dextrototary
divi-tab
edsa
efflux velocity
eigensystem
electron trapping
erasable PROM
euthanazing
exponent of stable distribution
fabes
fall into disrepute
foilborne seakeeping
forefix
full container load
gastric habroneniasis
genus Myriophyllum
glossing
hands-frees
hotsons
hypergranulation
induced surface hardening
iodide process
Jasminum grandiflorum L.
Kylar
light of ship not under command
loess flow
microne
mud cooling tower
narrow cut
nbhs
nicorandil
nisos
nonlaundry
nonstale
odo(u)r test
oesophagofiberscopy
okely
omphalia lapidescens
on line mode
ox-bot
parasagittal section
paths
paved surfaces
piffle
potato bread
poultice
Poyry
practical nursing
productive operations of industry
raise sb's spirits
ready lifeboat
Redorta, Pizzo
refering to our telex
sales confirmation
salhany
salt bath case hardening
salzburgite
sapozhkov
schedule of dealing
shwing
sindell
SmartScreen
soften ... up
split-mode
spray-cup injector
sulphionide
swampy stream
sweep frequency radar responder beacon
tetraethylglucose
thermotolerant bacteria
translocation mode
transport market control
unfavourableness
Vale de Gaio, Barragem de
wind turbulence