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
a few days ago
aerobic dance
anenst
asexualism
automobile fuel economy
benedicoes
biogenic stimulant
bonifaz
breast prosthetic implant
budget summary
business districts
cable charging breaking current
calomel
capacitance method
card sorting
cardiac pornicious fever
chemically
closed shelter deck ship
cocoon-cut
common-battery set
constant-weight feeder
correction of gravity
cyclic train
CYPRAEOIDEA
decision reversed
deflection-free shell
depth contours
dioecio-polygamous
disk fuel filter
draw up a chair
end shot
endoperoxides
firnsnow
frattini
fuel-cooling installation
g pad
gaden
Galium salwinense
Garovaglia
Haworth methylation
high altitude low opening profile
house sitter
hysterotrachelectasia
identical errors
imaginary-real component method
isotephrosin
ko'audva
Kohlrausch bridge method
Leucospermum
leukotic
loose-leaf lettuce
lotids
MARFORLANT
marnin
medial supracondylar line
michels
microstat
Moehringia mucosa
narrow-band saw
nerve-racking
night-walker
nonxenogeneic
paraffinized
perisplancchnitis
Phong Hai
potassium tetraiodomercurate
pre-recorded
pseudofiltered category
pudding head
railway sickness
reduced filling period
Ritter-Valli law
rogarshevsky
rosenthal-melkersson(syndrome)
Russellian
semiamplexicaul
semiconductor spectroscopy
senador
SPAA
spear shaped needle
stress relief cracking
suits of clothes
sulfur(vi) oxytetrafluoride
surface roughness transducer
surpluse
synchronization of task
tandem tube drawing
taxi-
thermal parameter measurement
thermal time delay switch
time sinks
toe extension
Trgl.
trigonodon
twice-a-day
Uspeniya, Mys
vibration-proof type installation
visible light detector
vowel diagram
weightier
wing behind Mach line
Yifeng