[网络] 工程师

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(44) / 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(33) / 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(53) / 评论(0) 分类 2018年VOA慢速英语(九)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(48) / 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(38) / 评论(0) 分类 VOA标准英语2010年(十一)月

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(70) / 评论(0) 分类 英文摇滚歌曲
学英语单词
A horizon
a lightning bolt
aahe
aberration of gonadogenesis
acute simple red cell aplastic anemia
aggressive mechanism of convict
alloy-steel pipe
amoeda
ann-thennaths
anti tradition
Anurethry
astragali condensed liquid
astrogational
balancer transformer
belief in a just world
berunas
binary process
bonger
builtins
bulbille
Cande
caur
cell model
ceocide
Cestrum elegans
CNDW
colpatresia
communicatio
crotch fruit
Danacrin
dilaury ether
discriminant approach to pattern recognition
dominatour
doubl-efluid cell
double exchange rate
ectochemistry
electrochemistry of fused salt
fannia dupla
flashy
foenumgraecum
gas tight silo
gasers
give someone something to cry about
gular scute
have a bone in one's arm
health standards
Hepialoidea
high resolution instrument
hyodesoxycholaneresis
Ibrox Stadium
ilex suaveolens (levl.) loes.
in the suburbs of
inclined step grate producer
inspection and repair only as necessary
J. R.
lac plumbi
lichen pilaris
lock thimble
Merino, I.
millirontgen
mirabell
natrium oxalicum
new caledonian pines
orale
organic compounds fuel cell
Orion Molecular Cloud 1
Otochilus lancilabius
paste dyes
PCM converter
postless
pronator position
psychopathologists
PTPI
ravyn
re fire
read sb's palm
recessus membran? tympani superior
revascularized free intestinal segment grafting
Rimsky-Korsakov
rise of arch
Ruweijil, Jezira
Sidos
slaloming
sowing
stockless
subenon
submarine mapping
sulfite treating
tachypneic
tampas
technological chemistry
tecumsah
thalictrifoline
thermostatic expansion value
trace-horses
trifluoroacetic
watch mechanism
wet shoots
white Gauss noise
wrack-rider
zone of mathematical climate