un. 钙硅酸盐

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(94) / 评论(0) 分类 口腔临床英语对话

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 第五段仿声词根和谐音词根(下) mod模式(模) mod e模型- mod el模特- mod ify更改,修改-com mod ity商品 - commod -词根:方便、便利ac commod ate-给

发表于:2018-12-10 / 阅读(159) / 评论(0) 分类 《新东方 [爵以词雄] 词汇》刘一男

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 第六段会义的词根(上) calc石头(咔咔) - calc ium钙- calc ulate计算- cal endar日历 dig -挖 dig it-手指 dig ital-数字的 rock- 石头( r- 滚,旋转) u

发表于:2018-12-10 / 阅读(130) / 评论(0) 分类 《新东方 [爵以词雄] 词汇》刘一男

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(53) / 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(50) / 评论(0) 分类 Scientific American(九)月

Online Virtual World Program a Resource for Farmers 在线虚拟教程传递农业新技术 In a fast-changing world beset by unpredictable climate conditions, farmers cannot afford to ignore new technology. 面对当下变化无常的气候条件,农

发表于:2019-01-14 / 阅读(68) / 评论(0) 分类 VOA标准英语2014年(七月)

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(73) / 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(83) / 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(77) / 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(134) / 评论(0) 分类 英文语法词汇

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(76) / 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(57) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
actinofibrils
actual row
air dry varnish
air spinning
allyl sulfide
androstanedion
anti-liberalism
automatic cop changer
autoregistration
bainton
be tossed to the lions
bimetallism double standard system
Bocklemünd
British Nuclear Fuels
cast-steel separator
celestial stems
chagos archipelugo
contactus
Ctesibius Of Alexandria
current customers
data management programming system
Diodia virginiana
dipping cream
dreamfishes
earnestly
earth-leakage protection
ectopagia
environing
eurhythm
Exogenina
exposure tube
extended regular expression
faint blue star
fellmongering
gas heats
gyro period
heavy loom
I work hard all morning
inclusive reaction
iskers
jewel-encrusteds
Kenacort
light intensity medium
long-vowel marks
loppel
low-load period
major-minor-minor prf switching technique
malignant atrophic papulosis
manganese spar
manufactured in plant leaves
mataeopsephus quadribranchiae
matrix algorithm
maximum working gap
mesostate
micrencephalous
monotrack recorder
Mycobacterium Johnel
N. B. R.
nickered
olfactorius bulbus
one digit random number
ophthalmics
orthogonal cutting
papertrain
pellaea nitidula (wall.) bak.
Pepin I.
permanent call
place someone on the lookout
podslurping
Poiana Mare
primary distribution of the national income
processus nasalis medialis
proportional element
pulegenone
Queiros Seamount
reserve-price
rho-theta
rideal
right justified
schooner rig
scsosusrsts-s
season opener
see far and wide
series damped
ship's receipt
sickle cell gene
sit at the feet of someone
small egg-plant screw indicating lamp
soliloquiser
sort out the men from the boys
speech modulator
stereo-encephaloscope
supersexy
tea plucker
Teinnyo
tracing stereometer
triaxial accelerometer
trumpetvine
tzu ling p'ao
underground current
very high
yahoo search