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(55) / 评论(0) 分类 口腔临床英语对话

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(47) / 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(55) / 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(113) / 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(50) / 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(37) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
4 counter
abgregate
AC power flow
acerate leaves
agins
all other peril
Alpari
amount of excavation
anneslea fragrans wall. var. lanceolata hayata
anti-obliquity
apothegm-
autoblock
baryonychid
benzylformate
binge-watched
building dock
can hooks
card box
cellular type core
cellulose acetate rayon
chemical cautery
chionodoxa
coat of paint
communication cord
corpaverine
cover fillet
Data processing system.
descent fuel
display device context
enchino
equitable jurist
fairing cap
Fowler function
frigidaria
front fillet weld
geschichtes
global physical geography
GWF
hypoesthesia
import requirement
impulse duration type telemeter
inverse task
ischial callosities
jordan filling
Lien on Cargo for Unpaid Freight
line of action of force
making up for
marded
Marotiri
metres
microfarad meter
mine tailings
mother-tongues
non-dimention timber
open furnace
organosulfonate
outpointing
outside diameter of ball and cage thrust assembly
PACAP
pilaceroris
piscinas
podophthalmus nacreus
policy-formation
posterior nasal nerve
postmodern
push someone's buttons
pyrolyzing
relative reractory period
restressed
reverse gear wheel
ridescent virus disease
rule of differentiation
Santorini
scanning monitoring
sciatical
sclerozone
semiconductor junction
shading correction
shaft bse system
sheep run
Shorea chinensis
sideroleukocyte
skew-derivation
slow pitch
soil antiscouribility
stack of freight
starlighters
stretch one's legs under someone's mahogany
terminal transpositions
the Social Web
third assistant engineer
top hat annealing furnace
tremella flava
trifluoroethyl vinyl ether
tubal uterine implantation
unappliable
unconformable oil-gas field
unmiserable
Usmanskiy Rayon
Viserba
yakimono
Zōhāb