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
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539A
aerodynamic overbalance
afterdeck
align to grid
Amomum maximum
antietam
antiresonances
auto-radar plot
automomous system autorich
be on its last legs
be worked out
bend test
beryllium hydride
bidirectional transport
binary to decimal conversion
biscuities
bitch slapping
canaille
carpet knight
chainotte
chrondroitin
cocherels
conservatoriums
copper graphite bearing
customs paper
damlohler's ratio
dimension
Donovania
Dorstfeld
dysthyroidism
efficiency factor in time
electrodialysis cell
electronic-electronic energy transfer
Eurycorymbus cavaleriei
flush corner joint
folded chain structure
format data point
functional convergence hypothesis
gesamtmetall
giant cell myocarditis
gloiothele globosa
grid connected operation
hell raising
Hemagoma
hidden arc furnace
hold a fair
hunkerish
hydroscience
jamaat-e-islami
johnstonwells
kidney cell
Lakhtar
lateral volar metacarpal artery(or external metacarpal artery)
logic with shift
media package
midface excess
Minnetonka I.
monocillium arctiicola
musculus constrictor pharyngis
Möng Hpāyak
new-moulded
nozzle friction
pealest
periosteum graft
Petermam's tests
pollutant parameter
positional number
priorat
propellant loading equipment
propliner
puttis
quench-hardened case
quiet-form aurora
re-enriching
realigners
rear admirals
reasoning test
reproduced image fineness
retail customer
shout one's head off
signal strength
single-row engine
slip out of sth
slot-hound
square shank
starch-iodide indicator
Station of the Cross
structure resonance
tablao
the cause
to lose bearings
tractor shoe
transannular interaction
treblier
tribenzyl ethyl tin
urinary cytology
vapour densities
vexedly
Weidenreich, Franz
yaw in bore