出射光子

So we've built this system where we understand all the parts of it, 所以我们建造了这个系统,我们虽然了解这个系统的所有部分, but we're using it in a very, very different way than we expected to use it, 但是我们以一种不

发表于:2018-12-13 / 阅读(174) / 评论(0) 分类 TED演讲教育篇

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(168) / 评论(0) 分类 2015年Scientific American(一)月

A nightlight may keep those monsters under the bed. But it may also open the door to the blues. Because a new study reveals that animals exposed to light all night long show signs of clinical depression. If you have access to electricity, you no doub

发表于:2018-12-24 / 阅读(176) / 评论(0) 分类 Scientific American(十)月

DAVID GREENE, HOST: I mean, let's listen to this. (SOUNDBITE OF TV SHOW, STAR TREK: THE ORIGINAL SERIES) JAMES DOOHAN: (As Captain Montgomery Scott) Ready to transport. WILLIAM SHATNER: (As Captain James T. Kirk) Energize. D. GREENE: Yes, the familia

发表于:2019-01-16 / 阅读(208) / 评论(0) 分类 2017年NPR美国国家公共电台7月

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(203) / 评论(0) 分类 TED演讲教育篇

unit 441 退火车票 dialogue 英语情景对话 A:Excuse me. Can I get a refund of my ticket? I have to cancel my trip because I have something emergent to deal with. A:劳驾,我可以退票么?因为我有紧急的事情要处理,所以我必

发表于:2019-02-15 / 阅读(393) / 评论(0) 分类 高频英语口语对话
学英语单词
-pus
a drama queen
a good draftsman
a promise is a promise
a-first
academic hood
aince
allothrausmatic
amplitude modulation phase-shift keying
anthus godlewskii
apoplectic cerebral syphilis
appropriation reimbursement
Aranaz
artifical cognition
asphalt carrier
atmospheric shell
autopneumatic circuit breaker
avrons
back-filled finish
boardmen
body-checkeds
bracket-hairs
brissen
budget liberally and spend sparingly
Calices renales
cardan shaft drive
chaddi
change gear selector
chemical transmission synapse
chicklings
chronic accessibility
closings off
cuchulains
Current Prescription
cutaneous veins
elotropic
fight with one's own shadow
flossy pork
four-start worm
genetic regulation
genus perdixes
Guadiaro, R.
haema
health physics laboratory
hormonal
house main (main line)
human acoustic measurement
hydroxyisophthalic acid
immigrant vein
immunocore electrophoresis
Issehoved
Ivan Lendl
large pelvis
liquid displacement gas flow calibration facility
lock forward
Malora
monomelichyperostosis
Moro Islamic Liberation Front
naval coastal warfare commander
neptunium tetraethoxide
nilpotent linear transformation
Noncurrent asset
nutr
old workings
Oriental Orthodox
osmeteria
ouster of franchise
philanthropism
photographic film dosimeter
pilocystidium
piston top insert
porous body
positional indicator
principal character
radical flexion
rat-tail radishes
rated output of humidity
Renschs rules
rotational voltage
scraper-bucket excavator
scurry off
silent love
sodear
spring-loaded seal
steady market
stilt dance
striking on rocks
Sumatera Barat
suspension grout
sweep-frequency modulation
teeth-roller cracker
terminal to terminal tester
terrisonant
tertiary syphiliss
theoretico-
toonen
transistor flip-flop
travelling beam
tyg
ULONE
vegetable isinglass
wear resistance castings