非定常振动

Lesson 88 trap 陷入 Six men have been trapped in a mine for seventeen hours. 6个人被困在矿井里已有17个小时了。 They were trapped in cave. 他们被困在山洞里。 Due to the heavy snow,they were trapped in the house in the mountai

发表于:2018-12-08 / 阅读(622) / 评论(0) 分类 新概念英语词汇随身听手册2

San Francisco If you*re going to San Francisco, be sure to wear some flowers in your hair. If you*re going to San Francisco, you*re gonna meet some gentle people there. For those who come to San Franc

发表于:2018-12-14 / 阅读(85) / 评论(0) 分类 英文歌曲第四辑

Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(一)月

1. Cyber Sickness 晕屏症 Also called digital motion sickness, symptoms that range from headaches to woozy feelings can occur when you quickly scroll on your smart phone or watch action-packed video on your screen. 这种病也被称为数字晕车,

发表于:2019-02-03 / 阅读(541) / 评论(0) 分类 阅读空间

Why Don't Snorers Wake Themselves Up? Anyone who's ever slept in the same room as a loud snorer knows how infuriating it is to have to suffer through all that noise while the offending party remains blissfully oblivious and asleep. Loud snorers can w

发表于:2019-02-04 / 阅读(57) / 评论(0) 分类 阅读空间
学英语单词
A. F. D. C.
agayne
agriculture location model
all-terrain cycle
Andira araroba
Balegem
bell wire
blaton's formula
blepharitis simplex
blue ant
bubble hole-up
by hazard
by the skin of teeth
calciaquoll
chip curl
cholecystography
chronic bronchitis
cinder valve
commercial credit and discount companies
coulse
cursor indicator
damianis
daylengths
defamiliarise
delayed report
dependent file
double circuit power supply
dumdum bullets
effective wind speed
Fanano
felsic
flim-flam-flirt
floor pressure arch
forepumping
formation lap
gallows-ripe
general haulage
generalized internal force
grounding outlet
group machines
gyro-reciprocating engine
hard board
harley
hermetically sealed refrigerating compressor unit
hockey puck
Hoffman, Ernst Theodor Amadeus Wilhelm
hypocalcipexy
illumication system
indenture system
indexed-sequential
Karow
keep moving
leg opener
little pitchers have big ears
macroscopic examination
made account of
make a snatch at something
mesh impedance matrix
methodisty
mittel
NATCO
norm in money
novasurol
obducts
okam
oscillatory extinction
particles settling
phymatin
piezoelectric cartridge
Priest I.
protocotoin
pulsating electromotive force
Quesnel L.
re-runs
rubber diaphragm separator
scrappy
sexual anorexia
shoulder pads
signal injector
snow-slip
snubby
sovereignty association
special goods tipper
St-Aubin
stand or fall by sth
stegates altus
step down side
sub-department
subproteomic
substance lot number
tecoplanin
the sack
thiocolciran
tool-head slide
tracheo-innominate artery fistula
trichopteras
tweenish
unaccounted
vaporous
various sources
Vtesse
wrong court