时间:2019-01-19 作者:英语课 分类:历史上的今天-2010年


英语课

 February 28th,1953In Britain, scientists say they found a double-helix structure of DNA 1, the molecule 2 that contains the human genes 3. Years later, Francis Crick describes this 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 that DNA look looks so beautiful and simple, it gets right back to near the origins of life. “1993 Start of an arm standoff of the Branch of Davidian compound in Waco, Texas. Federal agents try to arrest religious leader David Koresh for stockpiling guns and explosives. That sparks a shootout which kills four agents and six of Koresh’s Davidian followers 4. The standoff ends 51-days later when the compound burns to the ground killing 5 nearly 80 people.
1986Sweden’s Prime Minister Olof Palme is shot to death in central Stockholm. His murder remains 6 unsolved. And 1983Rock group U2 release 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.基因( gene的名词复数 )
  • You have good genes from your parents, so you should live a long time. 你从父母那儿获得优良的基因,所以能够活得很长。 来自《简明英汉词典》
  • Differences will help to reveal the functions of the genes. 它们间的差异将会帮助我们揭开基因多种功能。 来自英汉非文学 - 生命科学 - 生物技术的世纪
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
a.e
airtronic
alpha ray component
arrestins
Atlantic Ocean Islands
bank rate of discount
bench jockey
Boehmeria formosana
BORDETELLOSES
bounded region
Caith.
Cape Codders
Ceratostigma willmottianum
Chelyadinove
coal mining
coinsuring
combustion chamber casing
companywide
complementized
concelebrates
continental dispersion
cummed
cyclotropin
dawgie
diphenyl antimony cyanide
dispersing oil
dollar convertibility into gold
Eberhard effect
egcs
electrically heated drying oven
Elmendorf Air Force Base
etymemazine
eyelet wire
faculas
femoral ring
fifth day
fish-bellied beam
fissura interhemisphacrica
floatable
foundation of wall
fruit-flies
genicoms
genus chelidoniums
give oneself trouble
handing profits over to the state
hate-boners
historical bibliography
hydraulic operation
hypersynergia
i still remember
imminences
intense fall
irisated
Laportea interrupta
Lappian
lienas
light boat
low-frequency limit
major error
mcgrain
mcmichaels
mean hemispherical candle power
medium frequency electrodiagnosis
mentition
mission-minded
Montenero di Bisaccia
nickless
nodalization
non-institutional shares
offware
pimple dick
predator-preys
pressurises
Prokop'yevsk
puritanic
re-cross
ridgeland
rotary fluid pressure machine
Ruska
schiebold-sauter photograph
screen banks
Sedum tsinghaicum
self determination
self-division
Shaivism
single states
soldierliness
stand density
summer haw
TBO life
tearing machine
tenison
thatchboard
the little edge of the wedge
timeplex
transmission matrix
U-cell(undefined)lymphoma
variable-gain cell
Vorgod
warmongering
woodlief
yak meat