硅酸盐四面体单位

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(156) / 评论(0) 分类 口腔临床英语对话

[00:00.00] Unit 6 Find the right place [00:56.29]Where is B? It's next to A. [01:56.24]Where is A? It'm next to B. [02:02.80]next to beside [02:20.96]Where is C? It's near A. [03:11.61]Where is D? It's in front of A. [03:55.47]Where is A? A is next B

发表于:2018-12-10 / 阅读(211) / 评论(0) 分类 (人教版)初中二年级上册

[ti:UNIT 4 My Neighbourhood Lesson 32:Unit Review] [0:01.037]Unit 4 [0:02.889]My Neighbourhood [0:04.977]Lesson 32: [0:07.066]Unit Review [0:09.233]I. [0:10.179]Building Your Vocabulary [0:12.425]A. [0:13.686]Fill in each blank with the proper word o

发表于:2018-12-10 / 阅读(203) / 评论(0) 分类 河北教育初中英语(初中起点)八年级上

[00:00.00]Unit 2 COME TO MY HOUSE [00:17.40]unit 2 page 10 Listen, sing and act. [00:24.66]LET'S HAVE FUN [01:47.42]unit 2 page 10 PIGGY BANK: [01:54.39]cook eat play [02:20.25]unit 2 page 11 Listen,say and act. [02:31.61]come to my house,come to day

发表于:2018-12-13 / 阅读(240) / 评论(0) 分类 广州小学教科书口语第二册

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(104) / 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(98) / 评论(0) 分类 Scientific American(九)月

Words in unit 2 [00:04.02]第二单元的单词 [00:08.05]hen [00:08.05]母鸡 [00:08.05]chick [00:08.65]小鸡 [00:09.25]duckling [00:10.19]小鸭子 [00:11.13]geese [00:11.91]鹅(复数) [00:12.70]gosling [00:13.70]小鹅 [00:14.71]rooster [00:

发表于:2019-01-09 / 阅读(219) / 评论(0) 分类 人教版小学英语五年级

Words in unit 3 [00:03.77]第三单元的单词 [00:07.55]school [00:08.31]学校 [00:09.06]classroom [00:09.82]教室 [00:10.58]library [00:11.39]图书馆 [00:12.20]borrow... [00:12.88](向某人、从某处)借 [00:13.56]make [00:14.39]做;制

发表于:2019-01-09 / 阅读(250) / 评论(0) 分类 人教版小学英语五年级

Words in unit 4 [00:03.77]第四单元的单词 [00:07.55]there [00:08.28]那里;在那里 [00:09.01]corner [00:09.59]角;角落 [00:10.16]project work [00:11.00]项目制作 [00:11.83]study [00:12.28]研究;学习 [00:12.72]plant [00:13.24]植物

发表于:2019-01-09 / 阅读(254) / 评论(0) 分类 人教版小学英语五年级

Words in unit 6 [00:04.02]第六单元的单词 [00:08.05]fever [00:09.00]发烧 [00:09.95]stomachache [00:10.74]胃痛 [00:11.52]headache [00:12.32]头痛 [00:13.11]toothache [00:13.57]牙疼 [00:14.03]cough [00:14.81]咳嗽 [00:15.60]problem [00:16

发表于:2019-01-09 / 阅读(234) / 评论(0) 分类 人教版小学英语五年级

[ti:UNIT 5 Family and Home Lesson 36: What Are They Doing?] [00:01.73]UNIT 5 第五单元 [00:04.08]Family and Home 家庭和家 [00:07.17]Lesson 36: 第36课: [00:09.24]What Are They Doing? 他们在做什么? [00:12.04]1. [00:13.58]What are you

发表于:2019-01-09 / 阅读(256) / 评论(0) 分类 河北教育初中英语(初中起点)七年级上

[ti:UNIT 2 Colours and Clothes Lesson 16: Unit Review] [00:00.86]UNIT 2 第二单元 [00:02.65]Colours and Clothes 颜色和衣服 [00:06.62]Lesson 16: 第16课: [00:08.53]Unit Review 单元复习 [00:11.44]Ⅲ. [00:13.24]Listening and Speaking 听一

发表于:2019-01-09 / 阅读(260) / 评论(0) 分类 河北教育初中英语(初中起点)七年级上

[ti:UNIT 3 Body and Feelings Lesson 24: Unit Review] [00:01.38]UNIT 3 第三单元 [00:03.39]Body and Feelings 身体和感觉 [00:06.82]Lesson 24: 第24课: [00:08.86]Unit Review 单元复习 [00:11.52]Ⅲ. [00:13.06]Listening and Speaking 听一听

发表于:2019-01-09 / 阅读(216) / 评论(0) 分类 河北教育初中英语(初中起点)七年级上

[ti:UNIT 6 Let's Go! Lesson 48: Unit Review] [00:01.53]UNIT 6 第六单元 [00:03.33]Let's Go! 我们出发吧! [00:05.57]Lesson 48: 第48课: [00:07.23]Unit Review 单元复习 [00:09.79]Ⅲ. [00:11.24]Listening and Speaking 听一听,说一说

发表于:2019-01-09 / 阅读(302) / 评论(0) 分类 河北教育初中英语(初中起点)七年级上

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(134) / 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(143) / 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(131) / 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(195) / 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(137) / 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(131) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
a man of great resources
abichite
aerodesy
altezza
aminoechograph
anvil-chisel
archemastry
average bias current
band of position
bevel(l)ing
blanchett
bus network
call ... attention to
can roving frame
cause of pearl formation
chemoluminescent
closed ecosystem
coccygalgia
cointreaux
complex inversion plane
cumenol
dead's
death at the box office
depth of profile
design engineering inspection
dieulafoys
dividing roller
downconverting
drugs-trafficking
erythema arthriticum epidemicum
ether formalin method
Federal Pacific Banking Corporation
flaskless molding
floating timber fender
fluoresecent tube
fordreved
frictional-heating
frontier
gaolbreaker
genus Amoeba
glyphis galeata
grahamslaw
Gritsovskiy
guest beers
handling a very large tanker alongside
harakiris
high temperature porcelian bushing
host-based system
hot properties of metal
hydroxylunidine
hypnenergia
Igarapava
inauthoritativeness
inhibition analysis
insertion activity
jack kennedies
jumblings
Kilwa Kivinje
low-level I/O standard package
meagher
mikhail ivanovich kalinins
Milan Stock Exchange
municipium
munida agave
open-side type milling machines
oropion
outlandishness
outpost display
p-adic ordinal
P.P., p.p.
pile-engine
Prantdl-Meyer flow
prataculture
pre-made
prelasing
prime-minister
puff pastry
q point
rice grass
safety valve muffler
saola
secure voice communications
selenious acid
sicken at
Sinus caroticus
small deformation
solar glass
standfish
straightforth
strata granulosum cerebelli
supllemental cost
synchronic
temnospondylis
temporary injunctions
terralla
the reflection
total capacity for water
Truskmore
tryst
turfy soil
viroimmunoassay
vitellina