音标:[sә'prɑ:nist, -'præ-] ;
n. 女高音歌手, 唱最高音者
n. A treble singer.

WHITE HOUSE President Donald Trumps administration wants to shut down U.S. government radio stations that announce official time, a service in operation since World War II. WWV and WWVB in the state of Colorado and WWVH on the island of Kauai in the

发表于:2018-12-01 / 阅读(157) / 评论(0) 分类 VOA标准英语2018年(九月)

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

发表于:2018-12-24 / 阅读(145) / 评论(0) 分类 Scientific American(四)月

banister, ['bnistə] n (楼梯的)栏杆=balustrade=rail 【记】ban挡住,ister东西-挡住的东西-栏杆 【类】staircase:banister=garden:fence楼梯需要栏杆保护=花园需要栅栏保护

发表于:2018-12-30 / 阅读(131) / 评论(0) 分类 不择手段背单词

Three radio stations in the United States mainly broadcast one thing: the official time. The three are radio stations WWV and WWVB, in the state of Colorado, and WWVH, on the island of Kauai in Hawaii. They send out signals that are used by millions

发表于:2019-01-03 / 阅读(154) / 评论(0) 分类 2018年VOA慢速英语(九)月

By Alan Silverman Hollywood 03 June 2006 Jennifer Aniston and Vince Vaughn co-star as a couple whose relationship crumbles and it's only when it seems too late that each realizes what might be lost if

发表于:2019-01-07 / 阅读(228) / 评论(0) 分类 2006年VOA标准英语(六月)

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 Scientific American(八)月

Next year will mark the 110th anniversary of a U.S. government agency that is unknown to most Americans. Yet its work affects their everyday lives in countless ways. Generations knew the agency as the National Bureau of Standards. When it was founded

发表于:2019-01-14 / 阅读(133) / 评论(0) 分类 VOA标准英语2010年(十一)月

GQ magazine is marking the 10th anniversary with its annual Man of the Year issue. And this year, there are three separate covers, one featuring actor Vince Vaughn, another with popular recording arti

发表于:2019-02-07 / 阅读(172) / 评论(0) 分类 访谈录

Tell me, Mechanist, is it true? Does none of it bother you? Once upon a time Upon a time behind us The mechanist inclined Clockworks of time define us Who you are, who you are; Merely springs that tick The time of things away The cry from the beast i

发表于:2019-02-25 / 阅读(175) / 评论(0) 分类 英文摇滚歌曲
学英语单词
abate a debt
Ananuri
assoviative storage
astronautically
be a chapter of accidents
benzomethamine chloride
Boleko
by-night
cancers of the blood
centi-weber
cerebral parasitosis
Corryocactus
cp(common part)
crank connecting rod journal lathe
cross division line
cuscuta of the beet
desk research
diagramming
divo
druidism
dubon
ethyl pyrophosphate
exhorteth
fainteth
felled seams
film gauge
finger on
fuel pump priming lever
gun captain
half finished goods
helm orders
hemianasarca
hole migration
humanitarianize
hydraulic purse seine winch
identification badge
Imma let you finish
in perfection
in-fill
interphot
IP-A
jiangsu province
jumps through hoops
lapws
Lenard, Philipp Eduard Anton
lipochondroma
liquid-metal fuel reactor
microwave relay (communication)
Mocanaqua
narrowleaf Tibet lyonia
nictitans
oil strain test
oliver wendell holmess
optical wedge micrometer
os tarsi fibulares
paperscale
parasitids
partial exemption
Paz, R.da
photodichroic
pipette blower
Plumbobinnite
port-yowl
postembryonal
posthypnosis
problem of modelling
pseudoscolex
pucci
quandles
quarternary deposit
racemizations
radio teletypewriter (rtt)
receiver of wrecks
rewind time sorting
risky move
rites-of-passage
roll-form
rotuma i.
rubidium tetroxide
rupture factor
scincid
seesaw game
Serpentis
silver-constantan thermocouple
smooth neon
spammin'
spirit soluble dye
spool-mounted bearing
stabilized prints
Stalinists
step photometer
tax bracket
tenanted
terms of enlistment
trichotomy
ulrico
vacamatic transmission
vincent de paul
waleskowski
Winchellism
wormser