电荷收集电极

BBC Learning English 6 Minute English Football Stickers NB: This is not a word for word transcript. Kate: Hello and welcome to 6 Minute English, I'm Kate and joining me today is Rosie! Rosie: Hello Kate. Kate: Hi Rosie. Today we're going to talk abou

发表于:2018-11-29 / 阅读(214) / 评论(0) 分类 六分钟英语

DIALOG 39 WHAT'S YOUR HOBBY? laurance--What do you do in your spare time? soony--Oh, nothing special I read...watch TV...go to the movies. laurance--Don't you have any hobbies,like stamp collecting or

发表于:2018-12-03 / 阅读(150) / 评论(0) 分类 听力每日练习补充

Lesson 59:Collecting 收藏 Listen to the tape then answer the question below. 听录音,然后回答以下问题。 What in particular does a person gain when he or she becomes a serious collector? People tend to amass possessions, sometimes withou

发表于:2018-12-08 / 阅读(603) / 评论(0) 分类 新概念英语第三册

If you know anyone who is deaf, then you know the cochlear implant has offered hope and help for some people. This next story may be the equivalence where restoring sight is concerned. While the science is very different and very tricky, the promise

发表于:2018-12-11 / 阅读(105) / 评论(0) 分类 万花筒2009年

[00:04.28]Lesson 21 1.Dialogue [00:09.33]Bruce and Zhou Lan are talking on the telephone about stamps. [00:14.89]Hello.Can I speak to Zhou Lan,please? [00:19.33]This is Zhou Lan speaking. [00:22.70]Hello,Zhou Lan.This is Bruce. [00:26.75]Excuse me fo

发表于:2018-12-13 / 阅读(178) / 评论(0) 分类 高中英语人教版高二

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. When it comes to pain, its the thought that counts. Because pain hurts more when its inflicted on purpose. Or so say researchers from Harvard University

发表于:2018-12-24 / 阅读(113) / 评论(0) 分类 Scientific American(十二)月

02.01.11 喜欢与偏爱 1, what I most enjoy is reading. 2, Are you keen on dancing? 3, I like it. 4, I'm very partial to sweet food. 5, What I most enjoy is taking photos. 6, I'm mad about math. 7, I do like climbing. 8, There 's nothing I enjoy more t

发表于:2018-12-26 / 阅读(102) / 评论(0) 分类 万用英语口语句典

2 What do we learn about Jane? [A] She is going to America [B] She has travelled abroad [C] She likes collecting stamps

发表于:2018-12-30 / 阅读(107) / 评论(0) 分类 听听测测

Tree Electricity Runs Nano-Gadget A report in the journal IEEE Transactions on Nanotechnology shows that maple trees generate a small, but measureable amounts of electricity, which can power tiny devices. Karen Hopkin reports If scientists have thei

发表于:2019-01-02 / 阅读(196) / 评论(0) 分类 60秒科学

If scientists have their way, we may someday be tapping maplesnot for pancake fixins, but for power. Because researchers from the University of Washington in Seattle have found theres enough electricity flowing in trees to run an electronic circuit.

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(九)月

00:37.69]Listen and read [00:42.66]Han ping:What do you usually do after school? [00:47.62]Li Shan:Reading is my hobby,but sometimes I like going shopping with my mother. [00:55.98]How about you? [00:59.95]Han Ping:I like draw-ing in my free time,and

发表于:2019-01-09 / 阅读(182) / 评论(0) 分类 小学英语陕旅版五年级

2b Listen again. [00:06.52]How long have they been collecting these things? [00:10.34]How many do they have? [00:12.95]Fill in the chart under How long and How many. [00:18.64]Conversation 1 [00:21.70]How long have you been [00:23.63]collecting these

发表于:2019-01-09 / 阅读(208) / 评论(0) 分类 新目标初中英语八年级下册

Section B [00:04.00]2a Listen.What do Bob,Marcia,and Liam collect? [00:11.13]Fill in the chart under What. [00:13.63] [00:15.76]Conversation 1 [00:18.51]How long have you been [00:20.29]collecting these kites,Bob? [00:21.46]Since I was ten years old.

发表于:2019-01-09 / 阅读(208) / 评论(0) 分类 新目标初中英语八年级下册

Bionic Arm Can Move, Feel Scientists are developing an entirely new type of prosthetic arm and hand that allows a patient to regain not only movement, but also the sense of touch. American soldiers who have lost limbs in the wars in Afghanistan and I

发表于:2019-01-14 / 阅读(150) / 评论(0) 分类 VOA标准英语2011年(四月)

Brain Researchers Uncover Secrets of Memory In Memorial-Hermann hospital at the University of Texas Medical Center in Houston, Neurosurgeon Nitin Tandon visits 26-year-old epilepsy patient Tyler. Dr. Tandon has placed platinum electrodes on the surfa

发表于:2019-01-14 / 阅读(108) / 评论(0) 分类 VOA标准英语2013年(二月)

有的学生发/e/音容易张口过大,而发/?/则容易张口不足。许多人在区分这两个音的时候,只注意到它们的张口程度大小不同,这倒也没错,但还要注意这两个音的发音效果也不区别,发/?/音时

发表于:2019-01-17 / 阅读(152) / 评论(0) 分类 实用英语

By David McAlary Washington 13 July 2006 We often hear that imagining something will not make it so. But scientists have now overturned that adage, making a science-fiction dream come true. U.S. researchers have shown that a paralyzed patient can us

发表于:2019-02-03 / 阅读(197) / 评论(0) 分类 2006年VOA标准英语(七月)

TVs are more useful than radios. From TV you can see and hear what is happening in the world. However, radios are not disappearing. They are still with us. And the number of listeners is becoming larger. Do you know why? One reason for this is the in

发表于:2019-02-13 / 阅读(166) / 评论(0) 分类 英语作文

Science and technology 科学技术 A mind to walk again 一个让残疾人重新站起来的伟大想法 A trial of thought-controlled robotic legs is taking its first steps 用思想控制的机器人腿已经开始研制 ANYONE who saw Claire Loma

发表于:2019-02-16 / 阅读(128) / 评论(0) 分类 经济学人科技系列

模仿文本: Brandy, speaking there, had suffered from a severe depression resistant to all previous forms of treatment. So had Andrea, whom you heard before her. John, by contrast, has a quite different illness, Parkinson's disease. But all three

发表于:2019-02-23 / 阅读(349) / 评论(0) 分类 英音模仿秀
学英语单词
a youthful cadre
a-Si
abnormal development of fetus
aircraft cleaning truck
Alyssum dasycarpum
antenna tower
Aztec tobacco
back-andforth
Barnard Glacier
battle of form
car walls
certificate mail
chamberlaine
channel reversing switch
chloroparaffin(e)
cirripedias
civeran
cochen
Codman's triangle
coed crew
collina
contalax
counter reformations
cylindrotheca closterium
deathnium centre
decussatio tegmentalis ventralis
defect in timber
designation of chromosome
domestic silkworm moth
donation by will
double-pole single-throw
dual valve pump
earth-based
effect of termination
Eocene climate
fibroglia fibrils
fixed base current bias
fused cast block
Gobindapāra
ha'n't
halberds
hand aircraft camera
hanging rod for pipe
high pressure spray pump
index surface
knight errantry
laser plumbing
lateral discharge
leisure times
low speed screw conveyor
machine science
markewitz
maseliche
Ndoto Mts.
Nghia Loi
nightlongs
nineth
nondenominated
nontribal
nullipara
organismal ecology
pearlite structure
PharmGKB
Phoca
pipt-
praetorians
Rabdosia flexicaulis
rag cutter with disc knives
re-creates
redpolled
rollsiegel
saracino
sceloglaux albifaciess
school principal
schungite
screwed something up
side-rein
smitt
Snares penguin
squamula septum
squiggly
state-sets
strenuositys
striated boulder
surge forward current
team characteristics
test and evaluation master plan (temp)
Thamnastraea
theca-cell tumor
two-color photometry
ultramarathoner
undispiteous
unlated
Vohburg an der Donau
water cooled probe
wave sampler
wedding-favor, wedding-favour
whole holiday
Wrap Account
ymedicable
zaragoza (saragossa)
zinns