多格栅扬声器

UNIT 13 Train Schedule Integrated Skills Development Dialogues A. When Does the Train Leave? Brenda is going to Shenyang for a get-together with her friend. She is now asking a ticket agent for inform

发表于:2018-12-07 / 阅读(109) / 评论(0) 分类 成人高教英语教材

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Life requires balance. We balance work and family. We eat a balanced breakfast, sometimes. And we balance our electrolytes. That salt-water synergy is no

发表于:2018-12-24 / 阅读(58) / 评论(0) 分类 Scientific American(九)月

Say Wilbur, get a load of this story. If you grew up in the '60s, you probably recognize the voice of Mr. Ed, TVs talking horse. And it turns out, he might recognize your voice, too. A new study shows that even non-talking horses can tell individual

发表于:2018-12-24 / 阅读(35) / 评论(0) 分类 Scientific American(五)月

Fatima: It's a beautiful day but so hot! Navid: It will be cooler on the water. Fatima: Yes, I can feel the breeze now. This was a lovely idea. Navid: I'm so glad you like boats. Fatima: I've never been on a boat like this before. How far is it to th

发表于:2018-12-27 / 阅读(41) / 评论(0) 分类 英语学习乐园

As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new onethe discovery of the first multicellular animals that survive and reproduce entirely without ox

发表于:2019-01-02 / 阅读(84) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(50) / 评论(0) 分类 Scientific American(四)月
学英语单词
3-d browser
airline-industry
alkyl phosphate
allegorism
ames institute of atomic research
analog-digital-analog conversion
anre
antexion
balanced polymorphism (ford 1940)
bandar-e chiru
barley yield trials
brownea coccinea jacq.
calcey
card-board core
chart-making
chelise
colombin
combined offer
controlled mercury arc rectifier
curved batter
Cynanchum wilfordii Hemsl.
D.Sc.Jur.
DAC (derived air concentration)
DDD (direct distance dialing)
deceptive(ly) (simple) spectrum
device unit
direct current biasing
double-ended guillotine break
drug capsule
dual entry
dual slope A/D converter
durka durka
errhina
ethyl xanthogenic acid
euspory
fast extruding furnace black
felspathoid
financial system
fluorologging
fused silica substrate
geologic columnner section
gerbracht
guarantee issue
hardware emulation cross compiler
hollow-rod drilling
honey mushroom
horra
hospital room
hydrencephaloid
i don't blame you
Idrargillite
incisura scapulae
influencing demand
initial definition
INPH
isoentropic exponent
Jaumann derivative
long term maintenance
mass transportation
Medinilla fengii
miscontinuance
nail point
Old World flycatcher
on upon the moment
Petty Officer First Class
phyllostachys reticulata f.kashirodake makino
Plastic Pig Award
polyache
power cycling
progressive-era
propeller post bossing
Pyrenacantha volubilis
radar axis
radial web
rate of learning
reactive species
reciprocable machine
reference services area
satellite photogrammetry
selective pairing
self centring
servo motor for governor speed-setting lever
sock you
soft-field gear
Stephanoceras
sunray pleats
Tarsiers
teewits
testing apparatus of rock
the quick and dead
Thibet
tie score
topochemical sense
total brought forward
toyshops
traveling in-core probe
Triflumazole
variable-depth sonar (vds)
village-styles
work category
Yevpatoriys'kyy, Mys