滤波[滤光]因数

But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi

发表于:2018-12-11 / 阅读(70) / 评论(0) 分类 365个英语简短小故事

From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a

发表于:2019-01-03 / 阅读(65) / 评论(0) 分类 2018年VOA慢速英语(一)月

今天我们要学的词是WOW factor。 A WOW factor, 指让人惊叹的东西。经济不景气,也影响到了玩具行业。从二月中旬开幕的美国国际玩具展可以看出, In 2009, there will still be toys with the WOW factor, but

发表于:2019-01-30 / 阅读(72) / 评论(0) 分类 英语单词荟萃

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

发表于:2019-02-03 / 阅读(92) / 评论(0) 分类 2007年VOA标准英语(五月)

2010 X Factor冠军Matt Cardle新单曲:When We Collide Matt Cardle,参加第七季X Factor之前只是一个27岁的粉刷匠这身份实在平凡得可以。今年他鼓起勇气参加了第七季X Factor,一举拿下冠军,并发行了自己

发表于:2019-02-20 / 阅读(55) / 评论(0) 分类 经典英文歌曲

Jo: This is Real English from BBC Learning English. Im Jo. Jean: And Im Jean. Jo: Today were going to look at words and phrases that have recently become part of the English language. Jean: 在我们的《地道英语》节目当中,我们会带领大家一起来学习和熟

发表于:2019-02-26 / 阅读(318) / 评论(0) 分类 地道英语在线听
学英语单词
AM-101
angle bar cylinder
anti-democracy
auxiliary saddle
banninated
brachial locomotion
breaker bottom plow
business instincts
celling lighting
certified reference
closing dyke
co-agonist
co-writes
colic polyposis
competitive public utility
concatenations
coursings
data element (in organization of data)
dazza
debug support system command
depreciation of money
disulfatoantimonate(III)
dorfmen
dzagnidzes
E-0646
exhaust channel
extend trade and commerce
formation density logging
ful
galium verums
glove area
glowered
gubernaculum testis
have bats in belfry
hohenzollern empires
incardination
incidental cost
index-mirror
interannual change
Klimovsk
Koranic
laid in
laminated shims
lateral plate
legerity
Legionella(genus)
ligamentum arteriosum
lock bay
mamasans
Masacin
micro-shrinkage
minimum absolute deviation estimator
mud polygon
narrowed meaning
ninety-third
nonentries
normal angle
not likely
oil pollution reporting procedure
order at discretion
packed hole drilling practice
peppercorns
percentage of actual wagon loadings to total planned
phase field
photoenergetics
placental plasmodium
point count
posterior interventricular branch
postpostmodern
powdered toner
price/quality relationship
pump stroke counter
Queen's royal weather
quinazolone-4
reading-lamp
referred headache
refractonleter
reparative therapy
roofing flux
rotor field balancing
scupper hose
skeletal anatomy
slow device
spin orbital coupling
spore forming bacterium
stiff in straw
stink-bug
swelling value
synezesis
talea
tetrathionate broth
throw true
thymonculeode-polymerase
to sleep with you
Traube's curves
triangual lock gate
trichys lipuras
velamenta cerebri
vertical lift aircraft
winchendon
year dividend