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
alight on the lure
allocation of manufacturing overhead
APB
Automatic error detection.
avengeful
below-threshold laser state
BFPR
blockin
butt-ugly
camp-master
cardiac passion
cardroom
Chancery Masters
chimney draught
Chyeap
clay mineralogy
combined impression
communist dance (russia)
concrete retempering
conveyer car
daphniphyllum glaucescens oldhamii lanyuense
de-asphalting
deskinned
dimmable
dolichoris testa
domain object
dorsal prepucotomy
dual posting
ebb stream
equilateral hyperbola
EVOP (evolutionary operation)
expected wealth effect
exquisition
eyepiece lens
fancy diving
fourth grades
G.C.H.
General Security Services
geological epoch
grain grading
hemicrystalline rock
high-prices
humulus americanuss
hydrogenfree
inorganic environment
intenser
jet spud bit
konche
kryoturbation
leg-stretching
load adjustment
lycence
microbiological condition
mill extrusion
modified lewis acid
monastic education
monitoring instrument
mouth music
nayland
nod factor
Nolensville
nut and bolts
oecophoridae
oophoron
paint.balling
pericardiopuncture
photomagnetic capture
pitch deviation
plain-paper
plainland
plug cut out
polyadenylation signal
potato ball
principle of entropy growth
pyrotechnicians
real overshoot
receiver's address
repyne
retarding disk
retrocessional
rim drive
rursiradiate
Septisol
simility
specimen cooling holder
staphylococcal protein A
studiant
swuff
Talkhā
tea-lead
to take lessons
torpedo firing trainer
tractus thalamoparietales
train running in reverse direction
twichin
two-sample problem
varicellous
venturi gas scrubber
Vesicula granulosa
voice messages
water chiller
yumma