活性,氚(放射性)活度

[00:01.00]New Standard English Senior High Student's Book 3 [01:25.95]Model 1 Europe [01:30.09]Reading and Vocabulary [01:31.59]Great European Cities [01:34.13]PARIS [01:35.61]Paris is the capital and largest city of France, [01:40.75]situated on the

发表于:2018-12-04 / 阅读(395) / 评论(0) 分类 外研社新标准高中英语必修(1-4)

THE MAKING OF A NATION - American History: Life in the 1970s and '80s STEVE EMBER: Welcome to THE MAKING OF A NATION -- American history in VOA Special English. I'm Steve Ember. This week in our series, we look back at some of the social issues and c

发表于:2018-12-07 / 阅读(209) / 评论(0) 分类 2012年VOA慢速英语(一)月

发表于:2018-12-11 / 阅读(212) / 评论(0) 分类 VOA标准英语2014年(三月)

[00:00.00]Unit 2 [00:05.20]She is very,very good. [00:09.85]Activity 1 [00:14.89]Listen and repeat. [00:21.13]cake [00:23.98]name [00:28.84]radio [00:33.78]dad [00:38.43]have [00:42.27]stand [00:45.22]China [00:50.18]machine [00:54.91]Christmas [00:5

发表于:2018-12-12 / 阅读(169) / 评论(0) 分类 新标准小学英语活动用书6册(一年级起点)

[00:00.00]Module 3 [00:25.60]Unit 3 [00:32.76]Yes,I do. [00:37.69]Activity 1 [00:44.07]Listen and repeat. [00:51.12]get up [00:57.47]have breakfast [01:06.82]go to school [01:16.46]have lunch [01:26.60]go home [01:36.55]have dinner [01:46.50]do homew

发表于:2018-12-12 / 阅读(168) / 评论(0) 分类 新标准小学英语活动用书3册(一年级起点)

Unit 4 I want to be an actor. SECTION A [00:07.13]Activity 1b.Listen and number the people [1-3] in the picture above. [01:00.13]Activity 2a.Listen and number the pictures[1-3] below. Activity 2a.Listen and number the pictures[1-3]below. [02:02.04]Ac

发表于:2018-12-13 / 阅读(343) / 评论(0) 分类 新目标初中英语七年级

[00:23.48]STARTER UNIT 1 [00:27.32]Hello!I'm Amy. [00:31.37]Section A Activity 1b [00:37.30]Listen and number the names you hear [1-5]. [00:44.38]conversation 1 [00:48.04]Beth:Hello,Eli.Good morning. [00:52.58]Eli:Good morning,Beth. [00:55.93]convers

发表于:2018-12-13 / 阅读(361) / 评论(0) 分类 新目标初中英语七年级

UNIT 3 What's this in English? [00:06.40]Section A Activity 1b [00:12.15]Listen and circle the things you hear. [00:17.11]conversation 1 [00:20.77]A:What's this in English? [00:24.22]B:It's a ball. [00:27.38]conversation 2 [00:31.01]A:What's this? [0

发表于:2018-12-13 / 阅读(337) / 评论(0) 分类 新目标初中英语七年级

UNIT 2 [00:03.81]Nice to meet you! [00:07.34]Section A [00:10.79]Activity 1b [00:15.05]Listen and circle the names you hear. [00:20.22]Jhon:Good evening,Amy. [00:23.77]Amy:Good evening,John [00:27.30]Amy:This is Jhon.This is my father, George And my

发表于:2018-12-13 / 阅读(377) / 评论(0) 分类 新目标初中英语七年级

Health Report - Brains Gain From Physical Activity by Older People This is the VOA Special English Health Report. Increasing evidence suggests that being active can reduce a person's risk of dementia. Dementia is the name for the effects of Alzheimer

发表于:2018-12-16 / 阅读(171) / 评论(0) 分类 2011年VOA慢速英语(七)月

This is Scientific America's Sixty-Second-Science. I am Steve Mirsky. Got a minute? Some interesting electrical activity in the clouds of ash drifting around Europe as a result of that Icelandic volcano. Models predicted that electrical charge should

发表于:2018-12-24 / 阅读(194) / 评论(0) 分类 Scientific American(五)月

Health Report - With Physical Activity, No Need to Be an Olympian This is the VOA Special English Health Report. Watching the Olympics probably made some people feel a little guilty about not exercising. The truth is, if physical inactivity were a sp

发表于:2019-01-08 / 阅读(207) / 评论(0) 分类 2012年VOA慢速英语(九)月

[00:00.00]Unit 3 [00:05.59]He's shy. [00:09.25]Activity 1 [00:14.60]Listen and point. [00:20.56]Then say. [00:23.90]What's he like?He's naughty. [00:30.07]What's he like?He's quiet. [00:37.93]What's he like?He's clever. [00:43.68]What's he like?He is

发表于:2019-01-09 / 阅读(304) / 评论(0) 分类 新标准小学英语活动用书6册(一年级起点)

[00:00.00]Unit 2 [00:05.20]I'm a little teapot. [00:08.93]Activity 1 [00:14.00]Listen and repeat. [00:20.14]nose [00:23.07]old [00:25.86]radio [00:28.79]dog [00:31.43]body [00:34.09]from [00:36.94]today [00:39.68]pilot [00:44.62]second [00:49.97]come

发表于:2019-01-09 / 阅读(281) / 评论(0) 分类 新标准小学英语活动用书6册(一年级起点)

Physical Activity Linked to School Achievement Pushing aside physical education to focus on academic subjects, such as math or reading, could have a negative impact on achievement, according to new reseach which finds physically-active students do be

发表于:2019-01-11 / 阅读(204) / 评论(0) 分类 VOA标准英语2012年(一月)

By Phuong Tran Dakar 15 January 2007 Rebels in Chad say they have seized a second town in the remote northeast as they resume low-intensity hit and run operations against the government. Government officials deny reports that Chadian soldiers have ce

发表于:2019-01-11 / 阅读(245) / 评论(0) 分类 2007年VOA标准英语(一月)

This is the VOA Special English Health Report. How active you are early in life may affect how able-minded you are late in life. That was the finding of a new study of cognitive impairment, or a loss in mental abilities. The study involved more than

发表于:2019-01-11 / 阅读(235) / 评论(0) 分类 2010年VOA慢速英语(七)月

[00:00.00] Unit 2 What were you doing when I came in? [00:06.64]Activity 1.Intonation:Listen and point. [00:16.30]Is it a question,an answer or a command? [00:22.33]1.on the table 2.Under the chair [00:31.66]3.in the box 4.next to the bed [00:43.15]5

发表于:2019-01-15 / 阅读(372) / 评论(0) 分类 北外版新标准小学英语第六册(三年级起点)

BEIJING, March 29 (Xinhua) -- Chinese President Xi Jinping on Wednesday stressed the importance of afforestation and urged people, especially the young, to understand and protect nature via tree planting activities. Chinese PresidentXi Jinpingtalks w

发表于:2019-02-05 / 阅读(247) / 评论(0) 分类 cctv9英语新闻2017年

A new study finds regular physical activity as a teenager may prevent cognitive impairment - a decline in mental abilities - decades later. Previous studies found that people who were physically active in later life were more likely to avoid mental d

发表于:2019-02-07 / 阅读(231) / 评论(0) 分类 VOA标准英语2010年(七)月
学英语单词
Amphiporella
appy dosser
aspirating pump
autodilutor
average pocket
azomethine compounds
band saw mill with carriage
Bhattacharyya lower bound
bordaux b
Botera
brown out
byte boundary alignment
cavel
chapadas
Chenopodium gracilispicum
clamjamphrie
commerging
conversion in expressions
cross elasticity of demand
cross validation method
curie point isotherm
daratumumab
decentralized optimal control
delva
distribution method
double pleximeter
double shaft mix rotor
Earl of Leicester
englehorn
Ephdra equistina Bunge
flange tee
flannel-thick accents
formed stool
free-convection
general continuum hyperthesis
hoedt
I. L. T.
immoderacy
in one's sober senses
indirect action of noxious substance
inexorbitant
jesticular
Johnson-Rahbeck effect
Kakus, Sungai
L. T. N. S.
lay one's account with
liberalizing
lithium dithiosalicylate
load water line
management company
microcoping
moniliformiss
Mount Rushmore State
multiclonal
myeloid tissue
nitrosyllium hexafluorouranate
oblatus
observation balloon
parallel-axial growth
Ph. B.
photosystem
podoplanin
pottsdam
Power over Cable
producer's service/test/observation id
prophain
propodite
prosigns
protistologist
provisionality
Quinquaud's disease
Ramus stapedialis
rectificatissimus
reexamination of feedback devices
renal hilum
rhomboganoids
salvediction
sangfroid
Sapphirine-2M
set of weights
slideableness
slip down operator
sodium yttrium sulfate
spinoneural
sprinkler control
ST_sports_american-football
surface relieve
takaras
tally ho
terminal diagram
the activity of selling
toe of frog
tru-lay rope
tydynde
unbaffled rod bundle
ventricularflutter
versation
weather balloon
wireless telegraphy act 1998
working life
WRQ
wyme