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
adendritic
adzebills
alive in every fibre
alleagtion of rape
approach buoy
automatic data processing systems
azopolymer
Batillaria
bottom coat
breezers
broom cupboard
Brown taper
brush socket
budsets
buphthalmums
cardioregulation
cartwhipped
census list
chromyl chloride rubber
class of procedure
concrete piercing bomb
crude benzol
culture-bound syndrome
cysticercoses
delisted
diaphragm-type fuel pump
doing out of
dynomizing
efficiency degradation
emecs
epithelial nodule
erucin
Ex-date
exhaust-heat boiler
exonized
external-energy extinguishing chamber
Fergalicious
four-high rolling mill
Frederiksted
fund secured from external sources
GDP
glyceryl trinitrate
gravitating
hempen core
hippodamos
hormone secretion of carcinoid tumor
hydroxypropyl methylcellulose
information hiding
Ingres paper
IUFRO
kapuk
kinematic synthesis
lemula brunneipennis
Li Yuanhong
lichen urticatus
lime borate glass
low consumption
Lubéron, Mtgne.du
mooseless
MSTAR
needin'
netaclisa ornata
nicolas leonard sadi carnots
nondialogues
not on-duty casualty
operational hydrostatic test
OPEVAL
outflow tube
overrich mixture
pannus hepaticus
percent by volume
pitkin
plumbous plumbate
principles and maxims
proportion of traffic
regenerative heat exchanger
right-turning bottom
ring list
rinsings
rosedrops
rotary washing pan
save clause
Sayanskiy
seana
sforzandoes
short-lever armature
spark extinguishing circuit
Stödhvarfiördhur
substitution chord
surprisedly
temporary culture
the big lebowski
tip-bunch builder motion
tongs hold
topological isomorphism classes
trace fossil
underprivileged
urogenital clefts
Vankavesi
vincanine
wax-cutter
windlasses