时间:2019-01-19 作者:英语课 分类:历史上的今天-2011年


英语课

 Februray 28th 1953 - In Britain scientists say they found the double helix structure of DNA 1. The molecule 2 that contains the human gene 3, years later Frances Crick describes the discovery that he and fellow scientist James Watson made.


"Biological systems are the result of evolution, and they produce very complicated things,now the reason of DNA (look) looks so beautiful and simple, it goes right back to near the origins of life.” 1993 – Start of an armed standoff at the Branch Davidian compound in Waco, Texas.
Federal agents try to arrest religious leader David Koresh for stockpiling guns and explosives.
That sparks a shoot-out which kills 4 agents and 6 of Koresh’s Davidian followers 4.
The standoff ends 51 days later when the compound burns to the ground killing 5 nearly 80 people.
1986 – Sweden’s prime minister Olof Palme is shot to death in central Stockholm; his murder remains 6 unsolved.
And 1983 –"All is quiet on New Year's Day" Rock group U2 releases its “War” album.  Among the tracks “New Year’s Day” and “Sunday Bloody 7 Sunday.”
Today in History February 28th ,Sandy Kozel,the Associated Press.

(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.分子,克分子
  • A molecule of water is made up of two atoms of hygrogen and one atom of oxygen.一个水分子是由P妈̬f婘̬ 妈̬成的。
  • This gives us the structural formula of the molecule.这种方式给出了分子的结构式。
n.遗传因子,基因
  • A single gene may have many effects.单一基因可能具有很多种效应。
  • The targeting of gene therapy has been paid close attention.其中基因治疗的靶向性是值得密切关注的问题之一。
追随者( follower的名词复数 ); 用户; 契据的附面; 从动件
  • the followers of Mahatma Gandhi 圣雄甘地的拥护者
  • The reformer soon gathered a band of followers round him. 改革者很快就获得一群追随者支持他。
n.巨额利润;突然赚大钱,发大财
  • Investors are set to make a killing from the sell-off.投资者准备清仓以便大赚一笔。
  • Last week my brother made a killing on Wall Street.上个周我兄弟在华尔街赚了一大笔。
n.剩余物,残留物;遗体,遗迹
  • He ate the remains of food hungrily.他狼吞虎咽地吃剩余的食物。
  • The remains of the meal were fed to the dog.残羹剩饭喂狗了。
adj.非常的的;流血的;残忍的;adv.很;vt.血染
  • He got a bloody nose in the fight.他在打斗中被打得鼻子流血。
  • He is a bloody fool.他是一个十足的笨蛋。
学英语单词
Aetna Life Insurance Co.
agnature
ankylostomiasis cutis
area way
atonal music
azoamyly
balanced differences
Ban Suan Luang
beta amylase
cacas
chemoprophylactic agent
circular prestressing
CNTF
complete contraction
consolidatable
Cotton-tuberculosis
creese
ctenogobiops maculosus
defaite
delayed action accelerator
denitrification inhibitor
dispersion gradient
divinatory
double wing control head
duplex lock
dye receptor
elliptic plate
emerald spodumene
eskind
failure of machine
family Psyllidae
fan-shaped nebula
floral organ
free on board liner terms
glibenclamide
green states
hearseless
helice subquadrata
Hibaldstow
homotopic loop
houses of lords
huny
hydrotechnic structurology
hyphalomyraplankton
I-head cylinder
induction force
Kamui-kotan
kotay
local swelling
low frequency filter
make one's mark upon
masking compound
mavourneen
mcniff
millimhos
misemphases
molendarious
moon flight
mortality trend
no-claim
nonlinear system
nonpartitionable
out-of-phase component
panorchitis
panouchi
Pantego
parallel-series circuit
patternlessly
physical blast-furnace gas analyzer
piano system
powder for anesthesia
proceeding in persona
programming implementation
rake(r) teeth
reservation
ribero
roffer
sarkiness
Severn R.
shiack
shrinkage of concrete
sign-and-magnitude notation
single-coil spring washer
slaar
sloppiness
speculative operation
stainless steel sheet
stripping film method
syndrome of tumor of corpus callosum
takes precedence
toe bearing
took a brief
transmissibility coefficient
trimethyl-silyl-dimethylamine
turn-over number
turrentine
twin-lobe cam
upanishads
V speed
vaginae vasorum
wances