[医] 滤菌器, 细菌滤器

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

发表于:2018-11-28 / 阅读(565) / 评论(0) 分类 新概念优美背诵短文50篇

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo

发表于:2018-12-01 / 阅读(253) / 评论(0) 分类 新东方背诵文选

[00:00.00][s],[ ][ ] [00:38.61]sea/sheet/chicken [00:42.66]Exercise One: Word Conparison [00:47.62]Listen to the following words from your tape and repeat. [00:52.98]sip ship sane shane watched washed [01:01.23]lass lash least leashed chin [01:09.09]

发表于:2018-12-03 / 阅读(249) / 评论(0) 分类 掌握英语发音

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-04 / 阅读(172) / 评论(0) 分类 英文魔法师字源大挪移

IN THE NEWS - John Kerry Chooses John Edwards for Vice President By Cynthia Kirk Broadcast: Saturday, July 10, 2004 This is Bob Doughty with In the News, in VOA Special English. The Democratic Nationa

发表于:2018-12-07 / 阅读(187) / 评论(0) 分类 教育与新闻

Prisma App Makes Art Out of Photos Pokmon GO is the most popular app in the world right now. But another new app is also getting a lot of attention. And its free. Prisma lets users add filters to photos to interesting, beautiful and strange effect. T

发表于:2018-12-08 / 阅读(171) / 评论(0) 分类 2016年VOA慢速英语(七)月

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(172) / 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(163) / 评论(0) 分类 2018年VOA慢速英语(一)月

By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier

发表于:2019-01-07 / 阅读(162) / 评论(0) 分类 VOA常速英语2008年(二月)

Experts: Let Produce Dry Out to Avoid Bacteria American researchers say farmers should wait one day after a rain storm or watering their fields to harvest fresh fruits and vegetables. They say gathering the crops at least 24 hours after rainfall incr

发表于:2019-01-12 / 阅读(286) / 评论(0) 分类 2015年VOA慢速英语(七)月

A: You dont look so good. B: I have a major stomachache A: Did you eat something strange? B: I had spaghetti with clam sauce for lunch. A: Maybe you have food poisoning. B: Yes, that could have been it, but I havent been feeling that great for the pa

发表于:2019-01-15 / 阅读(147) / 评论(0) 分类 英语情景对话-健康

[0:0]feedback female fertile fertilizer反馈,反馈信息 雌的,女性的 肥沃的,富饶的 肥料 [1:25.7254]festival fiber fiction fierce节日,喜庆日 纤维 小说 凶猛的,残酷的 [2:12.0330]file filter finally finance档案,文件 过滤器,过滤咀 最后,终于 财政,金融 [3:1.05

发表于:2019-01-16 / 阅读(202) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

Science and Technology 科技 Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌,而不单单是排除细菌 MORE than a billion peopl

发表于:2019-01-26 / 阅读(136) / 评论(0) 分类 经济学人科技系列

By Kurt Achin Seoul 25 February 2008 The former Seoul mayor who swept December elections in South Korea is getting used to his new title: Mr. President. Lee Myung-bak has taken his oath of office in a formal ceremony in the South Korean capital. VOA

发表于:2019-01-31 / 阅读(179) / 评论(0) 分类 VOA常速英语2008年(二月)

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(209) / 评论(0) 分类 2007年VOA标准英语(五月)

今天我们要学的词是 pre-order. Pre-order 预购。iPhone5问世了。The iPhone5 went on pre-order just after midnight Pacific time last Friday. iPhone5 于美国西部时间上星期五凌晨12点一过开始预售。Roughly one hour after t

发表于:2019-02-04 / 阅读(178) / 评论(0) 分类 英语单词荟萃

Just as a clam came out to bask in the sun a snipe pecked at its flesh.The clam closed its shell and squeezed the snipe's beak.If it does not rain today and it does not rain tomorrow,you will be a dead clam,said the snipe.If you cannot free

发表于:2019-02-05 / 阅读(213) / 评论(0) 分类 趣味英语

1. You don't have to see each other every day. 你们不必每天都见面。 If you can, then why not? But you don't have to nag each other about you or your partner coming over just because you haven't seen a glimpse of each other for the day (yet)

发表于:2019-02-06 / 阅读(189) / 评论(0) 分类 实用英语

Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌,而不单单是排除细菌 MORE than a billion people lack clean waterand in most

发表于:2019-02-17 / 阅读(154) / 评论(0) 分类 经济学人综合

Good-bye my Fancy! Farewell dear mate,dear love! I'm going away,I know not where, Or to what fortune, or whether I may ever see you again, So Good-bye my Fancy. Now for my last-let me look back a moment; The slower fainter ticking of the clock is in

发表于:2019-02-26 / 阅读(310) / 评论(0) 分类 阅读空间
学英语单词
accumbers
aedicule
Allautal
allison science attitude scale
andr
Aoki-ko
assimilates
avast hauling
Aïn Louh(Aïn Leuh)
bag of antlers
be a bad fit
bearing thermometer
boiler rated capacity
brothered
Buxtonella
cadmium fluorosilicate
calcium cyanate
canister launcher
centered time difference (scheme)
choosest
client satisfaction
coffee bean decorticator
colorscripts
comanager
communitary
crash in
Curtius conversion
deploring
direct-axis component
disintermediator
dreaded
driver revivers
dual network
East Canaan
ethanediamine ethylene diamine
fall off a truck
felbertalite
Fengman Dam
fidley hatch
guare
have nothing to show for something
high-carbon chromium
high-power station
hypermegaly
ideal final value
isotopic atomic weight
Khābūr, Nahr, al(Habur)
lacrosstitute
land for special use
lappet thread
lock someone out
lozilurea
macroreentrant
maldonados
Mallorytown
marginal moraine
mencs
midles
Mohon Peak
North-East Cay
oneffect
order status
orthogonal axonometry
osteochondral
outer aperture
overdetermined equations
oversecreting
packies
paralysing
pedodontics
peppercress
Pijijiapan
pinchbars
platform grade
poverdine
present one's condolences to...
reactive sintering
reamed extrusion ingot
resecate
Safīd, Chashmeh-ye
Samarians
sapelli
Saugnacq-et-Muret
scs data stream general format
sinlessly
small potato
sodium rhenite
spacing reed
spiderworts
strike joint
supraeconomic compulsion
surplus from donation
sweeny
synizesis stage
systematic classification
tachylytic
thermalgesia
tilting screw
transposon silencing
Upper Nile State
viscerosensory zone
zooxanthellans