[电子] 铯空心阴极

发表于:2018-11-29 / 阅读(154) / 评论(0) 分类 Wee Sing Games

Standing in the cold, Jack felt afraid again. Therewere big paw prints in the moonlit snow all aroundthe house. The wolves were here, said Kathleen. Perhaps we should go back inside, said Teddy. No, said Kathleen. We must walk with Jack andAnnie back

发表于:2018-12-10 / 阅读(64) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(四)月

Ooh ooh Ooh ooh I'm a dead man walking here That's the least of all my fears Ooh underneath the water It's not Alabama clay Gives my trembling hands away Ooh please forgive me father Ain't going back to Barton Hollow Devil gonna follow me 'ever I go

发表于:2019-01-10 / 阅读(94) / 评论(0) 分类 The Voice 美国好声音

The Legend of Sleepy Hollow by Washington Irving Today's story is called The Legend of Sleepy Hollow. It is about something strange that happened long ago in a valley called Sleepy Hollow. It was written by Washington Irving. The story is told by Dou

发表于:2019-01-12 / 阅读(60) / 评论(0) 分类 2015年VOA慢速英语(十)月

Stay alive Heaven holds a place for us tonight I am paralyzed Close your eyes Drive away the cloud that hides the light And leave the pain behind Dead alive find a way to bury all the lies Escape the hate inside Cause I dont want to fall or let you g

发表于:2019-03-11 / 阅读(106) / 评论(0) 分类 英文摇滚歌曲
学英语单词
99mTc-MDP
ablewhite
active reserve capacity
auxotrophic
balfouriana
bazin
big-assed
burnt-up
candi-
Cauto River
cell-phonest
charge-symmetry hypothesis
chinchillon
clamp stop motion flanged bushing pin
couguar
counter tube
counterflow steam generator
Dirck Hartog Ridge
disvesture
drew together
emergency protection
emitter follower logic
enamel fluorosis
fils
footing area
friction reducing agent
front-end concentrator
fructus corni
gobelt cell
greenschist metamorphism
gross national expenditure
haale
halogen acne
hand-held design
Holocaust denial
homophile
hydrotropic lignin
iden
intumescentia semilunaris
kankoila
key to symbol
La Porte County
lacerability
laminated-brush switch
land filtration irrigation
light-gathering device
Longages
mediumfit
melafix process
middle break
Mlicrococcus candicans
monohydroxy
monthly error
Mother Teresa
newsrounds
number marker
order Entomophthorales
oxyneolignans
pen knives
photographic transmission density
pork out
primitive acid hydrosphere
principal coordinates
proctocystotome
pseudocrater
Puerto de Hierro
recharter
record descriptor word
Republic of Latvia
reshapable
restricted tender
Rhododendron coriaceum
rodhams
saccharan
separating device
setifera
short term security
snow bed community
sodium periodate
sodium-butadiene rubber
soymilks
Stay alloy
step function response
Storozhevsk
team sports
Tetlin
theory-driven
tidal marsh
timesketch
tracking stock
triithylamine
trophic relation
two-terminal hvdc control system
undean
underbalanced perforation
unsensual
van hove
ventused
vertical milling machine
villier
water-purification plant
weazel