[医] 聚合物粉

[00:04.99]Lesson 17 1 Dialogue [00:10.55]Mick is in the garden with his mother. [00:14.81]He has got lots of questions to ask. [00:19.17]Mick: What are you doing,Mum? [00:22.54]Mum: I'm sowing cabbages. [00:25.99]What's that in your hand? [00:29.26]C

发表于:2018-12-13 / 阅读(195) / 评论(0) 分类 高中英语人教版高一

New Zealand dairy firm Fonterra has apologized for its tainted milk powder scandal. Batches of the whey protein from the dairy giant were allegedly found containing toxic bacteria. Su Yi has more. Fonterra CEO Theo Spierings says Fonterra regrets any

发表于:2018-12-19 / 阅读(117) / 评论(0) 分类 世界各地新闻集锦

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(129) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(158) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(136) / 评论(0) 分类 Scientific American(一)月

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(141) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(178) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(146) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(198) / 评论(0) 分类 Scientific American(四)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(108) / 评论(0) 分类 2016年VOA慢速英语(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(208) / 评论(0) 分类 VOA标准英语2016年(二月)

今天要讲的习惯用语都由这样一个关键词发展而来 : powder。 大家一定知道powder是粉, 可以是扑脸的香粉,也可能是治病的药粉或者爆炸的火药,种类繁多。今天要学的第一个习惯用语是:

发表于:2019-01-14 / 阅读(205) / 评论(0) 分类 美国习惯用语

New Zealand mothers are having difficulty finding cans of baby formula in the supermarkets. Some supermarkets are limiting the number of cans to two per customer. The shortage may be because Chinese in New Zealand are buying cans of formula to send b

发表于:2019-01-27 / 阅读(145) / 评论(0) 分类 新西兰英语

New Zealand discovered this weekend that a milk powder factory in China, partly owned by the New Zealand dairy company Fonterra, has been selling contaminated baby formula. One baby has died and more than 400 are suffering from kidney problems. Fonte

发表于:2019-01-27 / 阅读(104) / 评论(0) 分类 新西兰英语

Suspicious Powder Discovered on Capitol Hill Deborah Tate Three U.S. Senate office buildings are closed, and congressional business has been disrupted a day after a suspicious powder, believed to be t

发表于:2019-01-31 / 阅读(187) / 评论(0) 分类 VOA2004(上)--各类新闻

今天我们要讲的习惯用语有一个共同的关键词: powder。大家也许知道powder是粉末。有各种各样的粉末, 例如女士化妆用的香粉, 还有火药或者病人用的药粉等等。 在我们要学的第一个习惯用语

发表于:2019-02-04 / 阅读(202) / 评论(0) 分类 美国习惯用语

Last week, 21 people were found guilty in the case of contaminated baby formula in China. Two men who added melamine to the milk powder will be executed. The chairwoman of San Lu Dairy Company was sentenced to life imprisonment because she knew about

发表于:2019-02-05 / 阅读(131) / 评论(0) 分类 新西兰英语

今天要讲的美国俚语由powder发展而来。大家一定知道powder是粉,可以是扑脸的香粉,也可能是治病的药粉或者爆炸的火药,种类繁多。今天要学的第一个习惯用语是: take a powder。 习惯用语t

发表于:2019-02-09 / 阅读(148) / 评论(0) 分类 美国俚语

今天要学的习惯用语是: keep one's powder dry。在keep one's powder dry这个习惯用语里,powder指枪炮用的火药。以前步兵和水兵把火药装在火药桶里保持干燥,随时取用。要是哪个粗心大意的士兵忘了

发表于:2019-02-09 / 阅读(141) / 评论(0) 分类 美国俚语

Voice 1 Welcome to Spotlight. I'm Liz Waid. Voice 2 And I'm Mike Proctor. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 They were the top-selling milk p

发表于:2019-02-14 / 阅读(106) / 评论(0) 分类 环球英语 Spotlight
学英语单词
agonoxenids
antenna feeds
be early afoot
binomial counting process
body-force
bookes
butadience-acrylonitrile copolymer
cable hanging unit
calidris ferrugineas
Camden, William
caterpillar traction
chromosome satellite
clock preset
command processing overhead time
compensated rigid coupling
concluder
deeley
define constant instruction
detector van
diameter of top circular-arc juncture circle
diamond boring machine
dibenzocyclooctadiene
dispersancy index
dispersion reclaiming process
DL-Norvaline
electrohydraulic effect
endophorias
eviction
fashioned steel
fissioned-atom
flight route
frequency slope modulation
fusk
get something wrong
get to windward
get up a picnic
gitenstein
golf courses
groupsets
hannabel
hypertensinogen
Inconel spring clip
individual quick freezing
ink test
intermolecular transfer
ixcer
jut forth
Kaniere
Kipsikis
Kuvakino
Lannate
lercanidipine
linguistic turn
m. longus capitis
manganese-copper alloys
medicamentosa
microaggress
miloshes
Mokata
multi-exhaust blade
multiple statistical decision theory
narcissist
nonaircraft
nonpolyphonic
nose out
nule
on the pretence of
operational gaming method
pareis
photographic exposure jig
Phyllanthus leptoclados
Plumatellina
primary member
Primula amethystina
purulent pneumonia
puts up a fight
refirming
rinzen
round-off instruction
run schedule
sand riddle
semi-circular weir
stand-alone data recorder
step-by-step autometic system
stone-shot
strawbs
strontianiferous
sub-cutout
subparcellate
surface condensation
thermoplastic
three-point spring suspension
Tjeukemeer
to account for
toxophilite
Umbraculidae
undisambiguated
unit operations
variable point numeral
vibraculoid
working section recovery
wrong sb out of sth