时间:2019-01-02 作者:英语课 分类:60秒科学


英语课

Mini T. Rex Recovered
In a study in the journal Science, researchers announce the discovery of a dinosaur 1 125 million years older and one-nintieth the size of T. Rex, but having virtually the same body plan as the giant dino. Cynthia Graber reports.


Ask any young dinosaur fanatic 2 about the mighty 3 Tyrannosaurus rex and you’ll probably get a fairly accurate description: huge reptile 4, big head, powerful jaws 6, tiny little arms. Scientists had thought that the animal evolved its bizarre proportions as it grew to its gargantuan 7 stature 8. But in this week’s issue of the journal Science, paleontologist Paul Sereno describes a newly discovered miniature tyrannosaurid that evolved millions of years earlier—and has all the attributes of the larger one.


The tiny dino had been excavated 9 in Mongolia illegally and sold to a private collector. He contacted Sereno to evaluate the preserved tyrannosaurid. Sereno agreed to do so if the dinosaur was donated to science, and eventually returned to China.


The dinosaur is about nine feet long and had an estimated weight of only 150 pounds. But it’s all there—the tiny arms, the huge head, the large teeth and muscular jaw 5. A hundred-twenty-five million years later, that animal’s descendants had ballooned into an almost exact replica 10 more than 90 times larger. Sereno and his colleagues say the body plan must have been a successful structure for hunting prey—and ultimately thrilling dinosaur lovers everywhere.


—Cynthia Graber


 



n.恐龙
  • Are you trying to tell me that David was attacked by a dinosaur?你是想要告诉我大卫被一支恐龙所攻击?
  • He stared at the faithful miniature of the dinosaur.他凝视著精确的恐龙缩小模型。
n.狂热者,入迷者;adj.狂热入迷的
  • Alexander is a football fanatic.亚历山大是个足球迷。
  • I am not a religious fanatic but I am a Christian.我不是宗教狂热分子,但我是基督徒。
adj.强有力的;巨大的
  • A mighty force was about to break loose.一股巨大的力量即将迸发而出。
  • The mighty iceberg came into view.巨大的冰山出现在眼前。
n.爬行动物;两栖动物
  • The frog is not a true reptile.青蛙并非真正的爬行动物。
  • So you should not be surprised to see someone keep a reptile as a pet.所以,你不必惊奇有人养了一只爬行动物作为宠物。
n.颚,颌,说教,流言蜚语;v.喋喋不休,教训
  • He delivered a right hook to his opponent's jaw.他给了对方下巴一记右钩拳。
  • A strong square jaw is a sign of firm character.强健的方下巴是刚毅性格的标志。
n.口部;嘴
  • The antelope could not escape the crocodile's gaping jaws. 那只羚羊无法从鱷鱼张开的大口中逃脱。
  • The scored jaws of a vise help it bite the work. 台钳上有刻痕的虎钳牙帮助它紧咬住工件。
adj.巨大的,庞大的
  • My gargantuan,pristine machine was good for writing papers and playing solitaire,and that was all.我那庞大的、早期的计算机只适合写文章和玩纸牌游戏,就这些。
  • Right away,I realized this was a mistake of gargantuan proportions.我立刻意识到这是一个巨大的错误。
n.(高度)水平,(高度)境界,身高,身材
  • He is five feet five inches in stature.他身高5英尺5英寸。
  • The dress models are tall of stature.时装模特儿的身材都较高。
v.挖掘( excavate的过去式和过去分词 );开凿;挖出;发掘
  • The site has been excavated by archaeologists. 这个遗址已被考古学家发掘出来。
  • The archaeologists excavated an ancient fortress. 考古学家们发掘出一个古堡。 来自《简明英汉词典》
n.复制品
  • The original conservatory has been rebuilt in replica.温室已按原样重建。
  • The young artist made a replica of the famous painting.这位年轻的画家临摹了这幅著名的作品。
标签: 60秒科学
学英语单词
Aglona
Aigdonyl
ancillary proceedings
Animal Relief Fund
Ardfert
basial
bibbed
bitangent conics
bitumen compatibility
cement mortar surface
cervicouterine canal
Cheremis
chromium plated blade
clutch housing hand hole cover
Coipasa, Salar de
collective prophylaxis
commercial discounts
complementary interaction
compound (multiple) dyke
cubic metres per second
dead's part
debouncing circuit
desaglybuzole
desideration
domical folding
dormant judgement
dual meet
efficiency unit
egg-sacs
elasticity number
electrical thickness
enroll with an agency
epitaxial autodoping
equal loudness contour
fast steamer
finger-fumblers
Fond du Sac
FSCV
functional cardiovascular disease
gene suppression
German lutes
gone forward
grubbreaker
Guidi's canal
heliosynchronous orbit
herskovits
high pressure mass spectrometry
hypocholester(ol)(a)emia
Ichalkaranji
individual word
intercomparision
isoetale
keep in line
Kessel-Lo
kinic acid
labib
linearized function
long-time cycle
lubricating oil gravity tank
Lucca, Prov.di
Madeira Islands
Malgham
microbiochemists
minor street
mission complete
mocha (al mukha)
molecular liquid
multichannel group
multiple-use package
myxofibromata
Oak Hills
output indicator
pan troglodytes schweinfurthiis
panegurie
pasteups
plain chart
platform screen doors
platyonychia
polarized light analogue
pressure transmitting coefficient
psychotherapy in dermatological non-disease
rabblerousing
rakel
Renningen
reservation demand
residual fission product
ribosome run-off
roamers
Schongau
shamblingly
single-channel impeller pump
sparing short
spark igniter
sterol proteins
sylvanium
tapered line
the walking dead
thorny amaranths
usfha
velum
warm server
yugoslavian monetary units