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
abyssal environment
aerial plot measurement
agrilus auroapicalis
Alembe
allotment ticket
amino-ethyl-isothiurone
anacathartic
angle of advance of phase control
anomoia immsi
apple salad
at cross purposes with
Bamoth
beloits
bimillenary
black friction tape
Bologoye
carcinolytic reaction
Carstensz
Centranthera grandiflora
cheris
computer control counter
control capsule
data structures
die blank
dipsomanias
direct tower
ditype
eaw
Elvira, C.
estratrienediol
evaporate to dryness
fiber to the curb
flunk the final
fm transimitting antenna
hatosy
heavy legs
hierarchical tree-structure
high order transverse mode
in-line-of-draw
individua
integrity checker
intermediate distribution frame (idf)
jablin
jugnet
latrociny
leaf optical system
lie-by
loop iteration
loverin
madonninas
mailing merge
manual toll switching system
meningocytes
meridianally
midrib vein
mimic beetle
mutual currency account
navtex priority message
netherwoods
oaes
oscillating type vibration damper
oven-dried aggregate
overjut
page type time sharing
paging unit
pain at xuli
parallax method
pepas
plan for wage adjustment
Port Darwin
positive wave
pyramid of energy
quadropolar
quinates
rate of telegraphic transfer
ravle
reversed epoch
rock islands
Rosegg
rubble masonry footing
sagitta method
sankaran
skop
specific Helmholtz free energy
sri lankan
supporting lamella
sweep speed control
synchronizing impulse
tables folder
taking a hit
Taunglau
tetriamond
tilted teeth
touch people
unilateral contract
upper link sensing
urbiphobia
warm-blooded animal
windfall tax
Wittenheim
X-parameter
Xenorhyncus asiaticus