下游效应

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(129) / 评论(0) 分类 VOA2003(下)-环境与健康

Benjamin Frankin wondered about(at) lightning. He combined his curiosity with imagination and carried out his well-known experiment to show that lightning and an electric spark are the same thing. Cur

发表于:2018-12-30 / 阅读(269) / 评论(0) 分类 自考英语(一)78讲

We are set up to film the salmon, but they keep darting away. Hey! What the heck? Grizzly bear paw whacks camera out of position and jettisons it downstream. Now that was not supposed to happen. Hey! Here is the bear. And here she is again with her c

发表于:2018-12-30 / 阅读(135) / 评论(0) 分类 国家地理2007年

今年7月,14岁的美国华裔少年刘继打破老虎伍兹的纪录,成为美国青少年高尔夫锦标赛史上最年轻的冠军,同时刷新老虎伍兹保持了19年的纪录。刘继出生在纽约州一个只有11万人口的小城市史

发表于:2019-01-09 / 阅读(148) / 评论(0) 分类 实用英语

In this image taken from TV Russian NTV channel on 21 Jul 2010, smoke rising from the Russian hydropower station in Kabardino-Balkariya Militants stormed a hydroelectric plant in southern Russia Wednesday, killing two security guards and setting off

发表于:2019-01-13 / 阅读(110) / 评论(0) 分类 VOA标准英语2010年(七)月

Expert Says Cooperation Can Resolve Global Water Scarcities A barbed-wired fence divides farmlands in India and Pakistan, nuclear-armed neighbors with a history of violent conflict. But the waters that feed them know no boundaries. The Indus River ba

发表于:2019-01-14 / 阅读(125) / 评论(0) 分类 VOA标准英语2013年(三月)

The Streaming Down the Yangtze team has arrived in Yichang, Hubei Province and visited the Three Gorges Dam, the world's largest hydropower station. The dam also helps to prevent floods and boost river navigation. The team's passenger ship went throu

发表于:2019-01-19 / 阅读(121) / 评论(0) 分类 2018CRI中国国际广播电台

The Effect of Advertisement 广告的效果 Some businessmen were talking about advertising on TV excitedly. As none of them had ever done it before, every one had his point of view. At this moment, Mr. Grey came by. He was a car dealer and he had on

发表于:2019-01-28 / 阅读(117) / 评论(0) 分类 英语小达人

60 测试新药安慰剂的疗效 DATE=6-21-01 TITLE=SCIENCE REPORT - Placebo Effect Study BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(146) / 评论(0) 分类 科技之光

More than 700 rescuers specializing in sanitaion, chemical defense and engineering have formed 8 teams to work on the ship. They have been removing obstacles from the ship, decontaminating it and transferring the victims' bodies out of the ship. Mean

发表于:2019-01-31 / 阅读(125) / 评论(0) 分类 cctv9英语新闻2015年

今天我们要学的词是ripple effect。 Ripple effect, 连锁反应。 The shutdown of the local mine had ripple effects on the entire community, 当地这家煤矿的关门,在整个社区引起了连锁反应。 美国汽车业界人士警告说

发表于:2019-02-02 / 阅读(113) / 评论(0) 分类 英语每日一词

The search area for the victims has been extended from the site of the capsizing to where the Yangtze River meets the sea in Shanghai, about 1,400 kilometers. Police have also begun a thorough search along the banks of the river. The search teams hav

发表于:2019-02-05 / 阅读(148) / 评论(0) 分类 cctv9英语新闻2015年

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(129) / 评论(0) 分类 英语每日一词

As the development of the society, people want to conquer the environment, they use the high technology to change the environment, when people are satisfied with what they did to the nature, the nature is starting to teach human being a lesson. In th

发表于:2019-02-06 / 阅读(119) / 评论(0) 分类 英语作文

Affect and effect are different in meaning, though frequently confused. Affect is chiefly used as a verb and its main meaning is to influence or make a difference to, as in the following example sentences: Affect一般用作动词,其含义为:影响

发表于:2019-02-07 / 阅读(161) / 评论(0) 分类 英文语法词汇

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-13 / 阅读(179) / 评论(0) 分类 英语单词荟萃

As the development of the society, people want to conquer the environment, they use the high technology to change the environment, when people are satisfied with what they did to the nature, the nature is starting to teach human being a lesson. In th

发表于:2019-02-13 / 阅读(113) / 评论(0) 分类 英语作文

VATICAN CITY, Feb.28 (Xinhua) -- The resignation of Pope Benedict XVI came into effect at 8 pm local time (1900 GMT) on Thursday, who had left the Vatican by helicopter for the papal vacation retreat in south Rome earlier in the afternoon. The pope h

发表于:2019-02-17 / 阅读(136) / 评论(0) 分类 英语新闻

BEIJING, Sept. 1 (Xinhua) -- Medicine prices at public clinics have been notably reduced thanks to a policy that promotes basic medicine, an office of the State Council said Thursday. Current price levels of basic medicine used by government-funded t

发表于:2019-02-18 / 阅读(106) / 评论(0) 分类 英语新闻

God, I hate it when that happens.That was very, very close. 天呐 我最讨厌这种情况了 刚才真是太险了 You know, you think something's solid,and then it's just rotten. 你认为坚固的东西 却如此不可靠 You can't take anything

发表于:2019-02-21 / 阅读(86) / 评论(0) 分类 荒野求生
学英语单词
adber
all-union
allowable tax credit
athyma cama zoroastes
available potential energy (ape)
backpacks
biangulous
broadhead
campany
campiest
chimosin
china clay chamotte
chlamydoselachus anguineus
Chuquisaca, Dep.de
circlip
Clear browser history
colo(u)r spot
complex log ic
contractual damage
dactylar
demonstrated
draftable
duhart
eigs
elastic threads
enquire sth of sb
evacuated vessel
FB. freight bill
finder beam
fool-hasty
fortran execution error monitor
geometrical element
Gia Long
hoist roller
Hrvatoslav
Impatiens chlorosepala
impose fines on someone
impulsor
in the interest(s) of
incendy
Khuis
knockability
Krzna
list mill
loss of gasoline by permeation
Maków
Master of Dental Surgery
Matagorda I.
Middle Fiord
milky white
mislaid properties
mistura pavlovi
monniker
monopody
MUHI-CSF
mustn't grumble
nabih
nautical physiology
needs assessment
Noblitina
nominal water capacity
Ongiyn Gol
open loop remote control system
Open Virtualization Alliance
operating expense budget
Orgyia antiqua
payne r.
person connected with a corporation
photoluminescence quantum yield
polyarthropathy
pondlife
pork worm
primly
pseudopursuit navigation
pulmonary surfactant
PVR
radiative half-life
raptorial birds
raw water ice
revenues are over expenditures
rotating trace
rouquier
Salvia adiantifolia
same day exercise
screen with direct vibrated screen plate
Solhan
speed changing gear
stachylidium bicolor
steam corrosion-resistant alloy
straight-forward method
strain someone to one's heart
synchronization proxy
the Wizard of the North
thornwood
to arm one's mind with...
transformists
u.m
uncoils
vandalistic
ventral median septum
wake of another ship
zoques