碱卤化物棱镜

STEVE INSKEEP, HOST: Just about every American adult has heard the names Roe and Wade. Roe v. Wade was the 1973 Supreme Court decision legalizing abortion in the United States. Not so many people know about the real people involved, and now a new pla

发表于:2018-12-17 / 阅读(152) / 评论(0) 分类 2017年NPR美国国家公共电台1月

alkali碱 alloy结合体 aluminum铝 ajar半开的 bleach漂白 catalyst催化剂 compound化合物 crystal水晶 combustible易燃的 distill提炼 electrician电工 erase抹掉 flask烧瓶 fuse融合 hydrogen氢气 insulate隔热 intrinsic内在的

发表于:2018-12-30 / 阅读(152) / 评论(0) 分类 80天攻克雅思核心词汇

The Government Communications Security Bureau (GCSB) is our spy organisation. At the moment, it can only legally spy on foreigners in New Zealand. However this organisation made a mistake spying on Kim Dotcom because he is a permanent resident. Also,

发表于:2018-12-31 / 阅读(154) / 评论(0) 分类 新西兰英语

Spectrum 光谱 Do you know what a spectrum is? 你知道光谱是什么吗? It is a series of colored lights. 它是复色光。 How can we see a spectrum? 我们怎么能看到光谱? When you see sunlight through a prism, you may see a rainbow

发表于:2019-01-10 / 阅读(149) / 评论(0) 分类 与美国小学生一起学英文第11册

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(142) / 评论(0) 分类 与美国小学生一起学英文第10册

歌曲:Katy Perry-Roar Roar, the first cut off of Katy Perry's upcoming album Prism, hit the airwaves last week and went right to the top of the Billboard charts (for digital songs). One person who is particularly fond of the song (besides everyone

发表于:2019-01-10 / 阅读(193) / 评论(0) 分类 英语娱乐八卦

紧凑型荧光灯 Compact Fluorescent Lamp 金卤灯 metal halide/halogen lamp 溴钨灯 Bromine tungsten lamp 汞灯 mercury lamp 钠灯 Sodium lamp 卤钨灯 Halogen tungsten lamp 碘钨灯 iodine tungsten lamp 氖灯/霓虹灯 neon lamp 石英灯

发表于:2019-01-17 / 阅读(161) / 评论(0) 分类 实用英语
学英语单词
add-on-telephone
aguishly
alivio
argumentative writing
atp synthase
attachment clip
average centrifugal radius
axial in phase mode
Bacon's anoscope
bean-curd
beasom
belet uen (beledweyne)
bowdled
cam driven roll feeds
Caspian Sea
Coccinia
Conflans-sur-Lanterne
congealments
cruentus
cup wheel printer
current text size
d-wv
decoders
decolonising
defrosing pipe
Derizene
direct location mode
diring pin
double action mechanical press
ethmoid sinas
ethylene propylene terpolymer
extract wood
eyerolled
Eyragues
field-interval noise lines
Figalo, C.
frame slip
fructifying
genus mycobacteriums
genus Reseda
Glass-Steagall Act
go to bye-bye
guided tours
halogen test
heartcutting
hepatocarcinomas
heterotopic pain
human-powered
import wharf
improvements in progress
inclined reciprocating grate
insect bionomics
intytle
JESC
kev, Kev
Latimer
leave someone to it
lithium fluoride thermoluminescence dosimeter
litle
lobuli semilunaris inferior
low-temperature passivation transistor
main opening
mating sizing
maximum water level
meedfully
metallurgical crude
mouthwater
Murenal
nonadecendioic acid
nonnucleolytic
Order of the Thistle
palaeoalgology
palpebral
peace-line
peeled wood
plasma(arc)cutting
plate block
polyligation
pre-increpation
quarternary exogenetic ore deposits
radiative interchange
refinedness
road engineering survey
round pointed shovel
saddlery
scald-berry
ship hull vibration testing tank
space nerve
syndiploidy
system availability
taper thimble
thamyn
tidal (gravitational) potential
titanium tribromide
toolmaker's microscope
two homozygous lines
VHF antenna array
Virless
wall-hung
withershin
within hail
zoological behavioristics