音标:['replɪkeɪz] ;
n. [生化] 复制酶

Elves and trolls hold a special place in the hearts of the people of Iceland. The tradition and mythology of the countrys small folk dates back to the 10th century AD, when the first Norwegian Vikings settled on the island. Tales of elves were first

发表于:2018-12-03 / 阅读(67) / 评论(0) 分类 自然百科2008年

To pacify the forces of nature, the Aztecs turn not just to the gods but to their own sophisticated technology. They had seen the eagle land on a saltwater lake, 32 miles long. To build a city here an

发表于:2018-12-07 / 阅读(96) / 评论(0) 分类 远古的回响

MARY LOUISE KELLY, HOST: NASA's plucky rover known as Opportunity has been on Mars nearly 15 years - a tad longer than the 90 days it was designed for. It has taken thousands of images. It has helped scientists better understand the red planet. But N

发表于:2018-12-08 / 阅读(73) / 评论(0) 分类 2018年NPR美国国家公共电台11月

While the international tensions are riding high, inside North Korea, celebrations are still taking place in the lead up to next week's anniversary of former leader Kim Il-Sung's birthday on April 15th. A giant flower show has opened in Pyongyang, fe

发表于:2018-12-19 / 阅读(81) / 评论(0) 分类 英闻天下

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Medieval armor certainly looks heavy. And now researchers have demonstrated how the protection might have unwittingly put its wearers at a heavy disadvan

发表于:2018-12-24 / 阅读(89) / 评论(0) 分类 Scientific American(七)月

Kibcob will soon face his first great step on the road to priesthood. He hopes to take part in the most important ceremony of the Ethiopian Orthodox ChurchTimkat, the feast of the Epiphany, celebrating the baptism of Christ. Although Epiphany is cele

发表于:2018-12-26 / 阅读(77) / 评论(0) 分类 自然百科2010年

Gastonia, being a large animal, was very stocky and well-muscled. 加斯顿龙,作为一个大型动物,非常健壮、肌肉发达。 Utahraptor, for a predatory dinosaur, particularly a Dromaeosaur, it's a very strong powerfully-built animal as

发表于:2018-12-28 / 阅读(52) / 评论(0) 分类 侏罗纪搏击俱乐部

Task 2: Is it moral to clone humans? Script Laura: Did you hear about that peculiar cult that claimed to have created the worlds first human clone? Ian: Yeah, I did! They also said that it was aliens that created life on earth over 25,000 years ago.

发表于:2018-12-29 / 阅读(54) / 评论(0) 分类 新视野大学英语:视听说教程 4

-Sheldon: What are you doing? 你在干什么? -Leonard: I'm packing up all my collectibles and taking them down o the comic book store to sell. pack up: 打包 collectible:收藏品 我在打包我的收藏品...带到楼下的漫画书店去卖掉

发表于:2019-01-01 / 阅读(90) / 评论(0) 分类 生活大爆炸第一季

Grammar Girl here. Todays topic is the difference between the words historic and historical. A listener, Denise, wants to know if she should say, We sell historic replicas or We sell historical replicas. Was an event a historic occasion or was it a h

发表于:2019-01-02 / 阅读(85) / 评论(0) 分类 英语语法 Grammar Girl

This is AP news minute. 1. Columbia authorities say they found two flight reports from Monday's plane crash that killed 71 people, including most members of a Brazilian soccer team. Brazil's president has declared three days of mourning for the victi

发表于:2019-01-11 / 阅读(127) / 评论(0) 分类 美联社新闻一分钟2016(十二)月

AS IT IS 2016-07-08 Noahs Ark Theme Park Opens in Kentucky 诺亚方舟主题公园在肯塔基州开幕 A large model of the boat that many people believe saved Noah, his family and animals from the Biblical flood officially opened Thursday. The boa

发表于:2019-01-12 / 阅读(78) / 评论(0) 分类 2016年VOA慢速英语(七)月

The Ark of the Covenant. Down through the ages, it has inspired devotion, terror and obsession. It has long been believed that this gold-encrusted chest was built to hold the Ten Commandments. The Israelites carried the Ark into virtually every battl

发表于:2019-01-22 / 阅读(86) / 评论(0) 分类 自然百科2009年

Over centuries, the Irish built a rich heritage of castles and monuments, using an abundance of local stone. Now many of the structures are damaged. The stone is decaying. Thanks in part to Irelands notoriously damp weather, these sites are in danger

发表于:2019-01-22 / 阅读(103) / 评论(0) 分类 自然百科2009年

Beginners. There is an invasion going on in our house. It started out as an unnoticed thing, but it has grown to huge proportions. Every room of my house is affected. Every corner shows a sign of this invasion. Even my friends and neighbors have ment

发表于:2019-01-28 / 阅读(61) / 评论(0) 分类 英语博客 A cup of English

we sport exact replicas of each others ears. Im taller and more muscular and shave. Hes slender and ungainly and is all knees and elbows. I reach up and pull my hair back from my face, show him the scar from the accident. Unconsciously, he mimics my

发表于:2019-01-29 / 阅读(69) / 评论(0) 分类 时间旅行者的妻子

According to the Daily Mail of September 8, Graham Lane, a 65-year-old electrician in Worcester, UK, kept enough weapons in his modest home to start a real small war. On September 7, nine police vehicles arrived at Lane's home, followed by the Army b

发表于:2019-02-04 / 阅读(81) / 评论(0) 分类 实用英语

法律修订赶不上3D打印的发展 WASHINGTON As prices of 3D printers continue to fall, experts are increasingly calling for reconsideration of copyright laws that protect the owners of patents and designs. However, they also warn that overreach

发表于:2019-02-05 / 阅读(104) / 评论(0) 分类 英语新闻

Smithsonian Museum opens new window on human origins Rosanne Skirble | Washington, DC 02 April 2010 Photo: Chip Clark, Jim DiLoreto, Don Hurlbert, Smithsonian Institution Five fossil human skulls show how the shape of the face and braincase of early

发表于:2019-02-12 / 阅读(93) / 评论(0) 分类 VOA标准英语2010年(四)月

This weekend, the Getty Center, one of the most famous museums in the U.S., will open a new exhibit years in the making. The Cave Temples of Dunhuang: Buddhist Art on Chinas Silk Road features incredible full-size replicas of ancient painted caves fo

发表于:2019-02-25 / 阅读(102) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
3-hydroxyflavone
acid geochemical barrier
alkyl selenocyanate
analytical investigation
animal studies
anteceding anus
arm stretching
arrhenotoky
Beadnell Bay
block-factor
bulk cargo handling equipment
cezanne
chaetoceros cinctus
clearance between wheel flange and gage line
crank side
cyclic control stick
Davis, David
dibutyl cyanamide
didicoi, didicoy
dry ice
experimental analogic method
expression procedure
Ferrosilicine
fore-course
fumed oak
function of first degree
gannets
gel sol transformation
gias
glx
group manager
hepatolenticular degeneration psychosis
high cellulose sodium electrode
hot-chamber die casting
in hope
jacquard lever
jokas
juxtapyloric
kryptonate
lane loss
lenins
low sintering
Maclise, Daniel
mail address mark recognizer
Majagual
marmalading
mechanical balancing
mercury withdrawal curve
micro autoradiography
minor cerebral hemisphere
mortgage rights
municipal law of the ships registry
Musculus planus
Nasemo
negative movement
neoseiulus longispinosus
network problem determination application
no use crying over spilled milk
non-core drilling
nonoccupation
Orthokalsilite
paleogenetic
peel rubber
plain swamp
potassium cobalto-nitrite
pre-finance bill
pretostrea imbricata
pseudo-random system
racket case
raise cosine pulse
Rana, R.
reed swamp
Reinhardt, Max
relative azimuth angle
restricted movement
Robenzidene
rounded chine
salangana
Saturn V
scrutinously
self-consistent field (scf) approach
stain sync
stolotheca
strike one's stride
sulphur corrosion
super large-scale integrated circuit
superfluent lava flow
survivers
synaptoporin
the way out
Thesium longiflorum
tooth scarifier
Torredeita
tracking performance
trafic
tragal lamina
traitorize
ultrasonic liquid level indicator
ultraviolet ray range
universal knotter
yellow-diamond
Zheleznodorozhnyy