漂浮生物;浮游生物

AGRICULTURE REPORT - Don't Know Much About Mulch?By George Grow Broadcast: Tuesday, January 24, 2006 I'm Faith Lapidus with the VOA Special English Agriculture Report. Mulch is important to farmers. M

发表于:2018-12-07 / 阅读(258) / 评论(0) 分类 2006年慢速英语(一)月

Rock-Consuming Organisms Alter Views of Life Processes LOS ANGELES Kenneth Nealson can be described in many ways, including expert in microbiology and biochemistry. But that's not the one he is most proud of. People call me the 'father of Shewanella,

发表于:2018-12-08 / 阅读(243) / 评论(0) 分类 VOA标准英语2015年(一月)

Voice 1 Welcome to Spotlight. Im Adam Navis. Voice 2 And Im Christy VanArragon. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Lake Titicaca is 3800 met

发表于:2018-12-19 / 阅读(270) / 评论(0) 分类 环球英语 Spotlight

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? Theres a cool new Web siteand iPhone appthat could come in handy in a wide variety of circumstances. Its called Time Tree. And it tells you how closely related any two org

发表于:2018-12-24 / 阅读(184) / 评论(0) 分类 Scientific American(九)月

[00:04.36]American officials are seeking ways for cities to grow without expanding into surrounding open space. [00:14.00]They are trying to rebuild the centers of older industrial cities. [00:19.91]And they want to help people use less resources suc

发表于:2018-12-26 / 阅读(253) / 评论(0) 分类 美国英语听力80篇

92 注意街头食品的卫生 DEVELOPMENT REPORT September 10, 2001: Street Food SafetyBy George Grow (Start at 1'01

发表于:2019-01-02 / 阅读(301) / 评论(0) 分类 科技之光

By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode

发表于:2019-01-02 / 阅读(332) / 评论(0) 分类 VOA2003(下)-农业与经济

The ducks and geese at a lake in Londons Hyde Park have a new neighbor: a floating structure of 7,506 barrels in the colors of red, mauve and blue. The floating structure, called The London Mastaba, is the latest creation of Christo. He is the Bulgar

发表于:2019-01-03 / 阅读(266) / 评论(0) 分类 2018年VOA慢速英语(六)月

This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod

发表于:2019-01-08 / 阅读(278) / 评论(0) 分类 Scientific American(五)月

[00:11.60]WARMING UP [00:16.04]How many new uses can you think of for the folowing items? [00:36.49]reminds us of the appearance of nanotechnology, [00:53.76]according to which nothing is useless and [01:04.91]no garbage or waste material to speak of

发表于:2019-01-10 / 阅读(427) / 评论(0) 分类 高中英语人教版高一年级

Cell 细胞 Every living thing has at least one cell. 每个生物至少有一个细胞。 Then, what is a cell? 那么,什么是细胞呢? Every cell works differently, but most cells work to maintain life. 每个细胞的功能都不相同,但大

发表于:2019-01-10 / 阅读(216) / 评论(0) 分类 与美国小学生一起学英文第7册

[Khalid amp; Alina Baraz:] 2am and I'm still breathing Staring at my thoughts Floating up to the ceiling I'm swimming in everything you said I'm thinking 'bout jumping in instead I've got you skinny dipping Deep inside my head [Alina Baraz:] It's in

发表于:2019-01-11 / 阅读(432) / 评论(0) 分类 节奏布鲁斯

RACHEL MARTIN, HOST: But if you'd rather unplug completely, there's another option. It's called float therapy, and it's pretty much what it sounds like. You float your anxieties away in a pool. Sounds nice, but is there any evidence that it works? Jo

发表于:2019-01-16 / 阅读(261) / 评论(0) 分类 2017年NPR美国国家公共电台10月

DEVELOPMENT REPORT - Cooking Meals With the Sun for FuelBy Jill Moss Broadcast: Monday, August 21, 2006 I'm Gwen Outen with the VOA Special English Development Report. Millions of people around the wo

发表于:2019-01-30 / 阅读(240) / 评论(0) 分类 2006年慢速英语(八)月

61 嗅觉灵敏的小猎犬 DATE=7-3-01 TITLE=AGRICULTURE REPORT - Beagle Brigade BYLINE=George Grow (Start at 1'00

发表于:2019-01-30 / 阅读(276) / 评论(0) 分类 文化聚焦

56 自然原因导致夏季食物中毒比率偏高 DATE=6-12-01 TITLE=AGRICULTURE REPORT - Food Poisoning in Summer BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(334) / 评论(0) 分类 科技之光

For most of that time of life on Earth, living organisms have been relatively simple -- single cells. 地球的大多数时间,生物体多是以简单的单细胞存在的。 But they had great diversity, and, inside, great complexity. 但是它们是

发表于:2019-02-14 / 阅读(235) / 评论(0) 分类 TED演讲教育篇

But of course, life is more than just exotic chemistry. 但是当然,生命不仅仅是奇异的化学物质。 How do you stabilize those huge molecules that seem to be viable? 那是怎么稳定那些大量的、似乎有存活的分子的呢?

发表于:2019-02-14 / 阅读(234) / 评论(0) 分类 TED演讲教育篇

In 1969, in an attempt to bring some order to the growing inadequacies of classification, 1969年,为了整理一下越来越显得不足的分类法, an ecologist from Cornell University named R. H. Whittaker unveiled in the journal Science a pr

发表于:2019-02-17 / 阅读(399) / 评论(0) 分类 万物简史

Voice 1 Welcome to Spotlight. Im Adam Navis. Voice 2 And Im Christy VanArragon. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Lake Titicaca is 3800 met

发表于:2019-03-04 / 阅读(279) / 评论(0) 分类 环球英语 Spotlight
学英语单词
A. B. C. diuretic
Albionian
all stop
animal world
anthropophilous
antimaterialists
any one loss
ass fuck
auriculate
boost brake
busshe
Casilan
chili pine
collusive action
constant current circuit
control circuit transformer
core indicator
corporate monster
crystal momentum
destring
Diandranthus ramosus
dinocerate
edapt
electrocerebellogram
Elektrion process
every thing
exchange rate exposure
faizabad (feyzabad)
fidgeti ness
flexural-torsion flutter
follow somebody around
G4motif
giacomin
give sb the time of day
grease money
gyno
high forest system
Hoan Lao
human-capital
hydraulic action
hypocarp
in banco
india mustard
inertial rundown time
information display
information measurement
infracostalis
inobservancy
Interamnia
irrebuttable presumption
kinematic wave
lecaniodrosicha lithocarpi
leerdam
liposcelis bostrychophila
magalufs
mah jong
midpoint tap
myocardial depressant
Neolitsea zeylanica
nephtyids
oiling station
palier
pantophthalmids
parasporangium
parcel bag
petcharies
pollitzer
port-baseds
preproduction sample
priming pulse
print position
radiotelegraphically
reads back
redundany
sailmaker
second hand car
sesiids
shallow-water survey
silverbushes
simulating strata movement
snag
solid copper
sorption velocity
spawling
spermiogenesis
spudding bit
starch test paper
subscribers trunk dialling
sugar mill juice heater
super-heavyweights
superproductive
technical checking
Thiocysttis
topoalgia
tracheal diphthery
Tri Ton
turn sb over to sb
two-dimensional network solid
ubine
Uscio
working flow
zeinte