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(160) / 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(341) / 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(196) / 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(105) / 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(99) / 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(131) / 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(138) / 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(147) / 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(135) / 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(196) / 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(139) / 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(133) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
A-switchboard
ammonia carburizing
analytical framework
anomaly of dynamic height
apays
artificial element
as a private person
ash sedimentary
auric selenide
automatic atrial tachycardia
be having none of
bidirectional pumping
Boi, Cachoeira do
clearout
conical flow method
construction in progress and prepayments for equipment
continuous magnetic flux test method
cooling-out effect
counter-timer
counterbore guidance
damping harmonic motion
Day-Count Convention
disability in line of duty
dryness-moistening prescription
dynamometer type multiplier
E numbers
El Orégano
elastic stocking
encoder state diagram
enterocolic fistula
Estramustinum
even spreader of grain
excusatory
extrinsic semi-conductors
flapped
four-channel sound
framework of steps
Gautama Siddhartha
hang my up spikes
hard soldering alloys
heat processing section
high purity
igc
intensations
irresistible impulse
isotopes of cosmic ray heavy nuclei
joint plot
killed spirit
Kohler illumination
large summer egg
lawyer system
layer cloud
lechmere
lenticular cloud
light end fission product
macrophanerophyta
magnetic annual change
mercantile pursuits
micro-volt
mikelson
molybdenum plate
myelocyte
Nipugin
Orpingtons
outside to outside
palletize
passive attitude
pavement operating quality index
pearlitic heat resistant steel
pichardo
plasmocide
property, plant and equipment
qualifying reserve account
rockwood
rotamase
rubabah
safety water mark
Salisbury I.
self consignment basis
sensing probe
separate power supply system for car
septomarginal tract
sexaholics
squalene
static lift
steel dam
talofibular
TEAR, TORE, TORN
threshold logic network
tucked in
unrolled stator
untempting
untraditionally
upper forest limit
use of pointers
vallecular sign
vertebral fused portions
viscosity log
waste rubber
water pollution survey
Yesiplevo