音标:[,prəʊtəʊæk'tɪnɪəm] ;
protoactinium
[,prəutəuæk'tiniəm]
n.
镤(protactinium的旧称)

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(164) / 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(102) / 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(102) / 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(111) / 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(179) / 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(120) / 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(136) / 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(136) / 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(197) / 评论(0) 分类 中英双语新闻
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abducent muscle
accounts payable others
active decoy
air bleed
air outlet
Akunakuna
amazings
average adjustor
barcelonas
bath curve
beginning capital
breathalyser,breathalyzer
buccal glands
cahnman
canyon de chelly national monument
ceiling fitting
Chlorethylaminouracil
choose for
cities of the angels
cleaning plant reject
clonological
coincidence curve
database data model
DB-9
decision-directed learning
divorced pearlite
downinesses
dulcis
effective cation exchange capacity
electroballistic
engine room auxiliary machine set
equipment replacement model
EVFT
excessive displacement
exec 2
exotically
export cartels
fangyi
farm land reclamation
foreign department
fresh note
Galton's whistle
gene-enzyme relation
Good gracious me !
gropple
guerdon
hail a cab
head comic
healthcare management
helminthotoxic
Hoa Ninh
hopkinson demand rate
hydraulic hold-down (system)
imidocarbonate
jaycie
kilo-oersted
Knippa
lacklustre
Laser Outer Diameter Measuring Sensors
late subboreal climatic phase
lymphoid cell
main facilities
manzanoes
Massiliot
mechanokinetic
medico-legal
methanesulphonate
monitoring system
motivism
nickel rich alloy
non-meaning
Normanism
oecetis evigra
Oil Rivers
over-exacting
overlaid seam
phase coherent
quantegral
radio homing device
red car
resophonic
roll shoulder
rolled food
secondary deviance
seemest
self contained motor drive
self temperature compensated strain gauge
selling goods at reduced prices
semiflorets
Seris
sexualiser
signal locking
single stage burner
sponge matress
take someone up short
theory of sampling distribution
Toxodon
Tricholoma pardinum
variable air volume system
whatsay
wideawake
wing tip