un. 折射棱镜

The Blurry World Underwater When you open your eyes underwater, things look blurry, but with goggles, everything looks perfectly clear. Why cant we landlubbers focus underwater without goggles? First, we need to explore how our eyes focus when were h

发表于:2018-12-31 / 阅读(208) / 评论(0) 分类 英语听力文摘 English Digest

Prisms 棱镜 Why can we see rainbows after rain? 我们雨后为什么能看到彩虹? We can see rainbows after rain because droplets of moisture in the air work like a big prism. 这是因为空气中的水滴就像一个大棱镜。 So what is

发表于:2019-01-10 / 阅读(207) / 评论(0) 分类 与美国小学生一起学英文第10册
学英语单词
19-nortestosterone
Acta.
angular
anorthoclase phonolite
antinutritive
aseismic plate
automatically reset relay
awrights
be resigned to a state lagging behind
benign tumor of chest wall
benzophenone-2,2'-dicarboxylic acid
bi-furcation of coal seam
burned fireclay
case project
character education
chondrodystrophia foetalis
Citram
collateral chain
convective envelope
counterweighs
cyclina sinensis
cylinder head cap
dance to sb's tune
de-beaked
democratic party
diketones
double entry accounts
dreaming track
drogh
dry-hole contributions
Durhams fermentation tube
elihus
epoxidized soybean oil
expected number in the queue
extrusion flow
family tarsiidaes
food microbiologist
force deficiency
Fourdrinier board machine
fruit and vegetable acid
fusome (hirschler 1948)
grain boundary sliding
green manuring
hcfc
Helen Traubel
hsdl (high-speed data link)
hydrocarbon chain
inner shield
inspection manhole
intergranular precipitation
know nothing of
lamentably
latvian monetary units
lawrencium isotope
leave around
levofexidme
licensed documentation
macht
melamines
melomaniac
mixiest
multiversal
nonmicrofibrillar
Ovibovini
papillata
parametric damping
parsoning
patriarchical
pentatomic acid
permanent agriculture
planetary stirring machine
platonov
po folk
poecilisomella nigrotibia
punties
quench correction
Recife Plateau
rough hawk's heard
sea-farer
seven-a-sides
shadow system
Silene namlaensis
sssuscsrsossses-s
stall tolerance
sundogs
surdesolid
Syzranskiy Rayon
ta tah
three-quarter bleached
tin spar
to advise sb against doing
total head
trip harmonic
tubercles of tibia
uniquely decodable code pair
uter
video DVDs
Vilcabamba, Cord.de
voacl cod
yeven
zalokar
zigzag form