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
?-proteobacterium
anastomatic drainage
arithmetic deficiency
automated quotation system
Baizuo Formation
basic metallic element
batavia weave
bed-headed
bioscans
bit-by-bit optical memory
black acrylic handle for man's folding umbrella
Blisworth
cabaging
Calvinian
canterbury
cawboy
Chobienia
collecting post
compound filling
crude distillation tower
cryptoanarchy
Cupressus lusitanica
deltaretroviruses
Digitaria ternata
dilettis
dunan
election-days
enthralled
failure warning
flade (fan blade)
fused protection
fuselloviral
gilt-bronzest
ground directional relay
hemp caulking
high colour
hydropower station
hypocorticoidism
inactivity of yang-qi
indesert
industrial software
integral electric actuator
intercolumns
intermarriageable
jet ejector pump
k.smith
Kienbock's atrophy
Konoura
l.a
left border of sternum
make a prescription
Manassite
mean velocity
metanilyl
minws
molecular-gas laser
multivelocity
musarde
N-methyl-N-nitro-N-nitrosoguanidine
no-big-deal
numenius phaeopus variegatus
optical disc cartridges
parts breakdown
pentamethylcyclopentadiene
piririma oil
principal shearing stress
profits tax
puntee
quote in full
radioteria
raise cosine pulse
ranold
razor-wires
resolidifies
samoosa
Sanggamnyǒng
Scottishry
self-supporting graduate student
separation and purification
shallow-seated deposit
shockproof switch
sodowsky
solid slab
Southern Africa
special court
Sternopygoidei
Streptococcus monomorphus
synkinesias
test number
transfer-in
transitional layer
transpadane
tributary area
tridecasyllabic
twist retraction
under-voltage protection
videotape(VT)
widemouth blindcat
wielding
wind setup
Y-connected circuit
zee