音标:[,prәutә'flәuәm] ;
n. [植]原生韧皮部

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(152) / 评论(0) 分类 国家地理2008年

Voice 1 Welcome to Spotlight. Im Katy Blake. Voice 2 And Im Christy VanArragon. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Small, shiny shells. Roun

发表于:2018-12-19 / 阅读(92) / 评论(0) 分类 环球英语 Spotlight

1. protagonist /prəˈtgənɪst/ -- the leading(first) character in a play, novel or story Brutus is the protagonist in William Shakespeare's Julius Caesar and Antony is the antagonist. 布鲁特斯在威廉莎士比亚的《尤利乌斯凯撒》中是

发表于:2018-12-30 / 阅读(94) / 评论(0) 分类 突破英文词汇

Scientists Observe Birth of Huge Galaxy Cluster For the first time ever, astronomers have observed the birth of a galaxy cluster, known as a protocluster. The event, billions of light-years away, could form one of the largest-known structures in toda

发表于:2019-01-03 / 阅读(99) / 评论(0) 分类 2018年VOA慢速英语(五)月

d-Pinoresinoldi-O-b-glucopyranoside 松脂酚双吡喃葡萄糖甙 d-Pinoresinol d-松脂素 Piperitone 胡椒酮 Plantaginin 车前甙 Platycodin A, C, D 桔梗皂甙A,C,D Podophyllotoxin 鬼臼毒

发表于:2019-01-03 / 阅读(165) / 评论(0) 分类 医务英语

By Phil Mercer Sydney 03 December 2007 Kevin Rudd has been sworn in as Australia's new Prime Minister with an agenda of action on climate change and the repeal of unpopular industrial laws. The new government has signed the Kyoto Protocol on climate

发表于:2019-01-25 / 阅读(103) / 评论(0) 分类 VOA常速英语2007年(十二月)

In 2001, a team from Tel Aviv University argued that B. permians were almost identical to a strain of modern bacteria, Bacillus marismortui, found in the Dead Sea. 2001年,以色列特拉维夫大学的一个小组认为,二叠纪芽孢杆菌与一

发表于:2019-02-17 / 阅读(123) / 评论(0) 分类 万物简史

What makes the sun shine? For a lot of folks, this is the kind of thing that doesn't even require explanation: it just does. But just being a commonplace phenomenon in no way explains it. Something must cause the sun to shine. And, in fact, there is

发表于:2019-02-23 / 阅读(122) / 评论(0) 分类 英语时差8,16

The British actor Alan Rickman has died of cancer at the age of 69. In movies, he won fame for his role as Severus Snape in the Harry Potter series and before that in films such as Truly Madly Deeply, Love Actually, Die Hard, Sense and Sensibility an

发表于:2019-03-04 / 阅读(183) / 评论(0) 分类 中英双语新闻
学英语单词
ariuss
availability of automatic control device
avoid rules
azorin
brufens
brushes aside
Bucklebury
bulboventricular
buy back products
central reprocessing plant
client base
coining credit
continue to hold a deposit
control area
corase crushing
data dumper
de lutte
dimethadione
direct division
electron-beam probe
encored
engineer surveyor
environmental lapse
extensionalisms
favorable variation
fixily
forcing houses
fuel feeder
genocopies
googo
harnedy
hearing of evidence
Hemimonstrosity
hot Jupiter
hypernovel
icers
insect geography
interruption of chain
jumne
Kashmor
kerosene cutting torch
length of working surface of table
leptogaster trimucronotata
Let the devil take the hindmost
Lincoln Heights
lock-in time
moan out
monkey boat
moonglade
motor regions
multiscale rule
musivisual
nerve-stretchings
neuron theory
nonmodel
NPDLL
number series
paraphysis
passericidal
Pecan Island
pop-unders
post-day
profit on sales
Putin, Vladimir
quippingly
random-coil conformation
regular teacher
relative photometry
reputest
revoltest
right shoulder arms
rope dart
sarah connor
Scutari
simple differential
Sinai, Mt.
single differential servosystem
six - day war
slaglessness
southern aster
spectral luminance factor
starobelsks
Stillingia sylvatica
stochastic program model
Sunday strip
syndrome of tumor of corpus callosum
taiwanaphis decapspermi
tapered aeration
tarry valve
three-hinged
to bear off
toolchests
total access communication system
ultra-durable
veloski
Velox
vitrial
Water source heat pump
Yagodnoye
yirdaki
yokeag