光子散射过程

W: You look so excited. Whats on your mind? M: I am thinking about my Chrisman present. W: What are you going to have? M: A huge toy plane. My mother promised to give it to me if I behave myself before Christmas. Dialogue 2. M: Anna, whats troubling

发表于:2018-12-17 / 阅读(136) / 评论(0) 分类 流利美国口语

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(35) / 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(49) / 评论(0) 分类 Scientific American(十)月

Elizabeth Barrett Browning (1806 - 1861) What was he doing, the great god Pan, Down in the reeds by the river? Spreading ruin and scattering ban, Splashing and paddling with hoofs of a goat, And breaking the golden lilies afloat With the dragon-fly

发表于:2019-01-02 / 阅读(81) / 评论(0) 分类 英语诗歌

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(89) / 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(50) / 评论(0) 分类 TED演讲教育篇
学英语单词
3DP
actual practice
acurad process
admittance matrix of two-point network
alpheus inopinatus
american standard code information
Anbār, Liwā' al
aviation diesel oil
bar money
Barnard, Edward Emerson
barwoods
bathylagid
be ... man
black hellebore
border state
branchiated
bryaninops yongei
Callicarpa candicans
chaotic oscillator
clay press
clinical root
collaborative commerce
conrad bearing
cover protectometer
cuprocuprite
cure food
device queue program
dexaminids
dgo
direction of feed motion
docking mechanism
double-rail
East Toorale
electric hygrometer
eusauropods
flue gas recirculation furnace
free spinning tunnel
gas sensory semiconductor
globe thistles
guide structure
half-monopetalous
Hamamelis virginiana L.
have a good slack
Hiriyūr
hook check
houlding
hoxb
hymenopterism
infiltrates
ionization tracing
iridescens
jasper rock
Johann Ludwig
kinship
Le Lamentin
Le Loroux-Bottereau
league-style
leuco dyeing-IW process
leurosine
lifting device
lock approach channel
Magnae Chartae
make or buy strategy
marketeria
metastatic encephaloma
meter out circuit
microstomous
morning news
mow-drying
Muhammadize
muscularis propria
neurotic security
Oda Nobunaga
open frame motor
owse(r)
pacrinolol
Pedicularis aloensis
pencil ring gate
process of development
rated travel
respirometric
Rogart
sand back
sensory seta
sensu
shape up to
sowing seed
spar-deck vessel
Spherophorus necrophorus
square shoulder
swing riot
temps lie
tetraglycine hydroperiodide
thermal hydraulic analysis
throwing belt
to walk
top bell
turgometers
ursodeoxycholates
ustilago coicis
zero drift
zho