璃钢衬里的造粒塔

A: What am I supposed to do with this plastic cup? B: That cup is for a urine sample. A: How, exactly, does this work? B: This particular test calls for you to urinate into the cup after you have urinated a little into the toilet. A: When I finish, w

发表于:2018-12-02 / 阅读(103) / 评论(0) 分类 英语情景对话-健康

A: Why are you handing me a plastic cup? B: Your doctor wants to test your urine and needs a sample. A: How am I supposed to do that? B: We need you to urinate like you normally would, and then stop and finish into the cup. A: What am I supposed to d

发表于:2018-12-02 / 阅读(102) / 评论(0) 分类 英语情景对话-健康

A: What is that plastic cup for? B: Your doctor has requested a urine sample. A: Am I supposed to pee into the cup? B: We want what we call a clean sample. Urinate a drop or so into the toilet, and then stop the flow and urinate into the cup. A: Then

发表于:2018-12-16 / 阅读(100) / 评论(0) 分类 英语情景对话-健康

Why Does Plastic Wrap Cling To Itself? What makes kitchen plastic wrap cling so maddeningly to itself, and so conveniently to the sides of bowls and plates? Plastic wrap clings for two reasons: its elastic and its sticky. That probably seems pretty o

发表于:2018-12-31 / 阅读(56) / 评论(0) 分类 英语听力文摘 English Digest

Leaves Inspire Better Solar Panels What do leaves and solar panels have in common? Both absorb sunlight and turn it into energy. But while solar panels typically have smooth surfaces, leaves have tiny wrinkles and folds that allow for maximum light a

发表于:2018-12-31 / 阅读(60) / 评论(0) 分类 英语听力文摘 English Digest

What Makes Windshield Glass So Tough? We tend to think of glass as fragilebut in fact, glass is pretty strong stuff. A flawless fiber of glass pulled lengthwise is five times stronger than steel! Although glass is quite strong, its also very brittlea

发表于:2018-12-31 / 阅读(56) / 评论(0) 分类 英语听力文摘 English Digest

Fungi with previous experience in bioremediation show promise for breaking down BPA, an endocrine disruptor, and plastics that contain them. Cynthia Graber reports 【英文文本】 Bisphenol A. Also called BPA, it's used to make shatter-proof plast

发表于:2019-01-02 / 阅读(95) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Cynthia Graber. Thisll just take a minute. Bisphenol A. Also called BPA, it's used to make shatter-proof plastic known as polycarbonate, found in everything from water bottles to medical devices to

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 Scientific American(五)月

Young Voters Could Again Play Key Role in US Election At the University of Maryland near Washington D.C., young Democrats meet to phone voters in nearby battleground states - states that tend to swing between Democratic and Republican candidates. Mar

发表于:2019-01-14 / 阅读(83) / 评论(0) 分类 VOA标准英语2012年(十月)

Beyond Plastic Bans: Creating Products To Replace It LULU GARCIA-NAVARRO, HOST: Plastic pollution is a big problem. And there are a growing number of campaigns to ban plastic waste. That's putting pressure on companies not just over straws but all ki

发表于:2019-01-17 / 阅读(58) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Delicate things are not necessarily useful, although it takes a lot of time and money to make them. A perfect example is mooncake packaging. Apart from a small number of boxes that are saved by people who collect such things, most of the packages are

发表于:2019-01-19 / 阅读(46) / 评论(0) 分类 世界各地新闻集锦

不管是热天还是冷天,总会看到那么多MM穿着各种丝袜,露出傲娇的大长(肠)腿。 今天,我们就一起来盘点一下各种各样的裤袜吧! Tights(连裤袜):又称Pantyhose,连短裤和长筒袜于一体,齐

发表于:2019-02-09 / 阅读(76) / 评论(0) 分类 英语口语

[00:11.27]Maybe it works 也许真管用! [00:21.85]词汇扫描 [00:25.55]Speech course 演讲课 [00:29.05]Honor 纪念 [00:32.59]Patience 耐心 [00:36.18]Remind 提醒 [00:39.66]Reinforce 加强 [00:43.64]英文原文 [00:45.31]During the colle

发表于:2019-02-15 / 阅读(90) / 评论(0) 分类 英语笑话(MP3+文本)

We all know that smoking cigarettes is bad. But what about smoking a pipe or cigars? Since you dont inhale, is it better for your health? Or at least less bad? Good question.So first, its true that cigarettes are in a league of their own when it come

发表于:2019-02-16 / 阅读(47) / 评论(0) 分类 英语听力文摘 English Digest

These northern part of front is maned by a French army and a British expeditionary forces later reinforced by Canadians and troops from the far from British Empire. 法国军队和英国远征军控制防线北部区域。后来由来自遥远英国的

发表于:2019-02-19 / 阅读(77) / 评论(0) 分类 二战启示录

Topics: Jimmy Hoffa and the Teamsters; The National Geographic Society; shade versus shadow; rarely versus seldom; every cloud has a silver lining Words: union management Teamsters mob to convict fraud bribery sentence to follow up on a lead to diffu

发表于:2019-02-23 / 阅读(56) / 评论(0) 分类 美语听力 English Cafe

The Physics of Water Towers 水塔,一般居民区里蓄水作用,有些还是水厂生产工艺的一个重要组成部分,用于保持和调节给水管网中的水量和水压。主要由水柜、基础和连接两者的支筒或支架组成。

发表于:2019-02-24 / 阅读(62) / 评论(0) 分类 英语听力文摘 English Digest

Before Satellite Images, Howd We Know Earth Turned Every 24 Hrs? 在我们有卫星行片以前,我们是如何知道地球一天二十四小时都在转动呢?去听听科学家的说法吧。 The earth turns on its axis every 24 hours or so wer

发表于:2019-02-24 / 阅读(55) / 评论(0) 分类 英语听力文摘 English Digest

Why Teflon Is Slippery? 1954年,法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想,觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上,效果一定不错

发表于:2019-02-24 / 阅读(114) / 评论(0) 分类 英语听力文摘 English Digest

Chronic Sinusitis 慢性鼻窦炎,亦称慢性化脓性鼻窦炎。常因急性化脓性鼻窦炎反复发作未能得到适当治疗所致。以多粘液或脓性鼻涕、鼻塞、头痛及嗅觉减退或消失为主要临床症状。现代西医学

发表于:2019-02-24 / 阅读(85) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acnodes
air properties
all-metal prevailing torque type nuts
alternating-current field
arass
bachelors of medicine
bends someone's ear
bi det
binderless
bomberos
bragance
break ... neck
capital asset pricing theory
carkci
catatonic excitement
circumaviate
Clifton Springs
contest jurisdiction
crank power press
data workers
degree of basicity
dephlogisticated air
Dermacentroxenus rickettsi
disulphuric
doi moi
early or late
electron scattering power
endless chain saw
export leasing
extraction distillation
film production
flaunter
Flaxman, John
floor drain sump flow integrator
floridity
genus Poecilogale
gesturer
Gloggnitz
go on a light diet
Golden's sign
gripple
guarantee efficiency
Hall of Arts and Crafts
heterochinine
hetterly
Hochenegg's symptom
humidifiers
hyperlearning
invariant half life
jacquard card repeating machine
Leonurus sibiricus L.
linen finished cotton tape
lister plow
loranthus maclurei merr.
machine file
majorana neutrino
master-slave determination
maximum-likelihood estimator
Medolla
Mullaley
multicomponent alloy
n-point correlation function
net machine-hours
NVLAP
Ofo
operating rate
organofluoride
Palmer L.
Panj
para-pentyloxyphenol
perfluorohydrocarbon
peridentalt
Porter's Five Forces
powder metallurgical process
preangular (bone)
prefocus plate
QPCs
quasi-monopolies
radioactivesubstance
re-reading
regional metamorphism
ruweisat
saddle surface
second level of education
seferiss
semi-wild
slickwater
speculative unemployment
spotted gums
term limit
thermounit
three-layer system
time-sharing console
total number of divisions
transition folding
unluckful
unspin
vesicular texture
voice-operated device
willibald
wreak havoc on
Xaxim