水硬性硅酸钙

Good morning Mrs. Hall. If none of your teeth are bothering you, I'll restore the tooth with the largest cavity. 霍尔太太,早安。 假如你的牙齿不让你难受的话, 那么我就把蛀的最厉害的牙补一补。 This is the tooth th

发表于:2018-12-03 / 阅读(100) / 评论(0) 分类 口腔临床英语对话

When Pyrex(公司名) cookware first came out, it was advertised as the ice box to oven, because itwas made of borosilicate glass which could weather large temperature changes without undergoing thermo-shock and shattering. But today, Americans Pyrex

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 Scientific American(九)月

This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? When Pyrex cookware first came out, it was advertised as icebox to oven. Because it was made of borosilicate glass which could weather large temperature chan

发表于:2018-12-24 / 阅读(56) / 评论(0) 分类 Scientific American(九)月

Oil spill, Day 42 of this oil spill in the Gulf of Mexico. Still there is no end in sight for this crisis. Right now take a look with me. Work under water and under way to place a custom built dome over that ruptured well. Remember that effort top ki

发表于:2019-01-08 / 阅读(120) / 评论(0) 分类 CNN2010年(六)月

Congressional investigators say three previously undisclosed defects in a critical safety device may have contributed to the massive oil spill in the Gulf of Mexico. The rig was owned by Transocean and leased by energy company BP. NPR's Peter Overby

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 2010年NPR美国国家公共电台5月

Study: No Evidence Hydraulic Fracturing Pollutes Water A new study finds no evidence that the controversial practice to extract natural gas known as hydraulic fracturing is contaminating ground water. The report, Separating Fact from Fiction in Shale

发表于:2019-01-14 / 阅读(111) / 评论(0) 分类 VOA标准英语2012年(二月)

DAVID GREENE, HOST: So getting calcium in your diet is essential to keeping your bones strong. Well, what do you do if you can't do dairy? A Navajo graduate student at Northern Arizona University got really interested in that question when he came ac

发表于:2019-01-16 / 阅读(106) / 评论(0) 分类 2017年NPR美国国家公共电台8月

A few months ago the fairy tale came true. 几个月前,童话故事成真了! We announced to the world that we know what these streaks are. It's liquid water. 我们向世界宣布,我们已经知道这些条纹是什么了。是液态水。

发表于:2019-01-18 / 阅读(83) / 评论(0) 分类 TED演讲科学篇

Cassini just a few months ago also flew through the plume, and it measured silicate particles. 卡西尼太空船几个月前又从这些飞溅的水流中穿过,它检测到了硅酸盐颗粒。 Where does the silica come from? 这些硅从哪来的

发表于:2019-01-18 / 阅读(94) / 评论(0) 分类 TED演讲科学篇

Science and Technology Plastics There and back again 科技 塑料 旧法新用 An old idea may help solve the problem of plastic waste 一个老方法也许可以帮助解决塑料垃圾的问题 PLASTICS were once regarded as wonder-materials. They

发表于:2019-01-26 / 阅读(85) / 评论(0) 分类 经济学人科技系列

Science and Technology Monitor Caught in a BEAR hug 科技 观察家 落入BEAR怀抱 Robotics: A newly designed robot can recover casualties from battlefields, and might also be able to make itself useful to soldiers in other ways 机器人技术:一

发表于:2019-01-26 / 阅读(93) / 评论(0) 分类 经济学人科技系列

manganese n. 锰(元素符号为Mn) mantle composition 覆盖物的成分 Mercury n. 水星 molten v. 溶化;adj. 熔铸的 monitor n. 监视器,监控 mudflow n.[地] 泥流 Neptune n. [天]海王

发表于:2019-02-02 / 阅读(142) / 评论(0) 分类 英文语法词汇

BEIJING, June 25 (Xinhua) -- A senior Chinese official on Monday called for the country to speed up mass production of shale gas with its own technologies to ensure adequate energy supply. Efforts must be made to achieve early breakthroughs in the ap

发表于:2019-02-04 / 阅读(115) / 评论(0) 分类 英语新闻

BEIJING, March 31 (Xinhua) -- Changan Ford Mazda Automobile Co. Ltd. will recall 62,445 vehicles in China from April 1 due to a problem that could lead to erroneous warnings on the vehicles' dashboard displays that their anti-lock braking systems (AB

发表于:2019-02-05 / 阅读(95) / 评论(0) 分类 英语新闻

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:2019-02-05 / 阅读(113) / 评论(0) 分类 能源行业英语

BEIJING, Nov. 7 (Xinhuanet) -- A huge asteroid will pass closer to Earth than the moon on Tuesday, but experts say there is no cause for alarm. Asteroid 2005 YU 55 will pass about 300-thousand kilometers from the earth. The giant space rock is about

发表于:2019-02-08 / 阅读(84) / 评论(0) 分类 英语新闻

The U.S. space agency NASA's Mars probe Phoenix has detected icy snow falling through the Martian atmosphere. The spacecraft has also discovered material in the planet's soil that is leading scientists a step closer in their conclusion that life pro

发表于:2019-02-08 / 阅读(68) / 评论(0) 分类 VOA标准英语2008年(十月)

And是一个常用的并列连词。其一般的用法和译法,已有不少文章论及。本文仅就and的一些特殊用法作一简单介绍。 一、And前后的两部分表示同时发生的动作,或同时存在的属性、特征等可译为

发表于:2019-02-13 / 阅读(95) / 评论(0) 分类 英文语法词汇

后角 clearance angle 龙门刨削 planing 主轴 spindle 主轴箱 headstock 卡盘 chuck 加工中心 machining center 车刀 lathe tool 车床 lathe 钻削 镗削 bore 车削 turning 磨床 grinder 基准 benchmark 钳工 locksmith 锻 forge 压模

发表于:2019-02-18 / 阅读(118) / 评论(0) 分类 实用英语

How oft, when thou, my music, music play'st, Upon that blessed wood whose motion sounds With thy sweet fingers, when thou gently sway'st 你是我的音乐,当你在幸运的琴键上弹奏乐章,你轻柔的手指拂过键盘,于是琴弦上随指

发表于:2019-02-24 / 阅读(154) / 评论(0) 分类 莎士比亚十四行诗全集
学英语单词
advice of drawing
arch type
arsenic
aspidistra
avantes
borassuss
burn wound sepsis
central energy system
chipshooter
commodity variable rate of cost
conditional theorem
contact goniometer
controlled temperature cabinet
curvily
Decaspermum albociliatum
default reasoning
delta cell
Dilatcor
DLBCL
do-gooders
Dyoki
electric bulb & lamp holder
electrotechnical porcelain products
episkey
family dasyuridaes
final pit boundary
fixed membership class
flying spit
ganglioneurofibroma
guanxi
Guérigny
head lamp
hemispherical fusion temperature
herb zone
homeling
hudas
human resource accounting
intracellularelectrode
labara
lame-ass
lateral mirage
Ligamentum cuneocuboideum interosseum
light liquid dispersion pipe
limiting velovity diode
long-range migration
low-pressure blow manifold
Luhith
M (modulator)
Malgaon
maximum principal stress
miskeyite (pseudophite)
multiflux method
multiple stage compression
music genre
Myxocyprini
noninflected
nonsequential computer
nonstudded
nuclear-safety
old-sight
on end
pannecrosis
parsaphasia
partitioned file
physiologic atrophy
polysynthetical
prioritising
program loading
Protaminum
radar gun-laying trainer
recorder scan
reflection of sound
roman prints
rub salt into wound
salicylated iodine tincture
scale reading
school rule
Sheridan, C.
sialodochoplasty
snedeker
sojourner truths
stiff differential equation
straight side double crank press
strontiuresis
sweep-frequency technique
synthetic agent
systons
the cult of the jumping cat
thermo bulb
torchworks
tree-like transition table
ultimate disposal of radwaste
underwriter's option
up yours!
upheaval
Usenetter
valerian tincture
vertrine
wind measuring device
wizarded
zadar (zara)
zayde