土壤无脊椎动物

What little we know of them comes almost entirely from eavesdropping on their songs, but even these are a mystery. 我们对它们的一点了解,儿乎完全出自我们偷听到的它们的叫声,而连那个也还是个谜。 Blue whales will

发表于:2018-12-07 / 阅读(144) / 评论(0) 分类 万物简史

AGRICULTURE REPORT - February 5, 2002: Soil Conservation Methods By Gary Garriott 04 Feb 2002, 18:39 UTC This is the VOA Special English Agriculture Report. Soil conservation efforts protect soil from

发表于:2018-12-07 / 阅读(179) / 评论(0) 分类 农业与发展

By Gary Garriott Broadcast: July 29, 2003 This is Bill White with the VOA Special English Agriculture Report. Soil conservation efforts protect soil from wind and water that can blow or wash it away.

发表于:2018-12-07 / 阅读(189) / 评论(0) 分类 VOA2003(下)-农业与经济

This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Builders in developing countries are often not required to build strong buildings. So, when a disaster strikes, the damage is often widespread. 发展中

发表于:2018-12-07 / 阅读(160) / 评论(0) 分类 2011年VOA慢速英语(三)月

Based on the sheer number of ants that invaded my home this summer, it seems hard to believe, but a new study finds that the numbers of invertebrates, which include any animal without a spine, has fallen by nearly half over the past thirty-five years

发表于:2018-12-24 / 阅读(140) / 评论(0) 分类 2014年Scientific American(八)月

This is Scientific Americans 60 second Science, I am Christopher Intagliata, got a minute? You've probably seen clouds of insects swirling round a streetlamp at night. But something you may not have noticed is that streetlights attract bugs to the gr

发表于:2018-12-24 / 阅读(156) / 评论(0) 分类 Scientific American(五)月

An irreverent attitude from inverse to irreversible Smithers, dont you think its ironic that your irregular night-time activities are in inverse proportion to your reputation as an expert in the area of invertebrate research? the director of the aca

发表于:2018-12-30 / 阅读(131) / 评论(0) 分类 胡敏托福词汇记单词

Here in the Timor Sea off northern Australia, take a look at a creature that seems to have the soul of a riverboat gambler. It moves through turf dominated by large hungry predators, and it fights these predators in a way that will astound you. This

发表于:2018-12-30 / 阅读(207) / 评论(0) 分类 国家地理2007年

Even the dirt on the ground is likely making climate change worse, a new study finds. Researchers have shown that warmer temperatures are heating the soil, which is causing microbes to become more active and release more of the soils carbon into the

发表于:2019-01-03 / 阅读(256) / 评论(0) 分类 2018年VOA慢速英语(八)月

Mars Rover to Begin Taking Soil Samples This Week Jessica Berman NASA engineers say the Mars rover will begin taking its first soil samples as soon as it departs the landing platform . Engineers say t

发表于:2019-01-04 / 阅读(215) / 评论(0) 分类 VOA2004(上)--各类新闻

Worms Get Ready to Fly in Space 蠕虫准备在太空中飞行 Humans are well-equipped for life on Earth. But in space, it is a different story. Low or zero gravity changes how the blood flows and causes motion sickness, muscle loss and tiredness. W

发表于:2019-01-12 / 阅读(140) / 评论(0) 分类 2015年VOA慢速英语(三)月

Minivan-sized Sponge Found off Hawaii Coast 夏威夷海岸发现巨型海绵动物 It might be hard to imagine, but scientists found a sponge the size of a minivan in deep waters near the Hawaiian Islands. 或许难以想象,科学家在夏威夷群

发表于:2019-01-12 / 阅读(206) / 评论(0) 分类 2016年VOA慢速英语(六)月

Humans Driving Massive Animal Extinction Earth is in the midst of its sixth mass extinction of animal species -- the first to be caused by humans -- in the past half-billion years, setting off a downward spiral in the environment and human health, wh

发表于:2019-01-14 / 阅读(127) / 评论(0) 分类 VOA标准英语2014年(七月)

AGRICULTURE REPORT - Cover Crops Are Good for the Soil (and the Farmer) By Mario Ritter Broadcast: Tuesday, May 24, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Cover crops are

发表于:2019-01-30 / 阅读(192) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im

发表于:2019-01-30 / 阅读(251) / 评论(0) 分类 农业与发展

extinction n. 消失,消灭 extinguish vt.消灭,熄灭 falcon n.[动](猎鸟用的)猎鹰 fall victim to 成为...的牺牲品 far-sighted founders 具有远见的奠基人 fig n. 无花果 firew

发表于:2019-02-05 / 阅读(216) / 评论(0) 分类 英文语法词汇

Chimps do it. Dolphins do it. Even crows that want to catch fish do it. But an octopus? Yes, it seems the smartest member of the invertebrate world has learned how to use a tool. Octopuses have a reputation for being clever. They can figure out how t

发表于:2019-02-15 / 阅读(159) / 评论(0) 分类 英语时差8,16

Soil、earth、ground和land都可以表示地面,但这四个词的用法有很大的区别。一起来看看吧! soil意为:泥土、土壤,尤指生长植物的土地。或国家、国土。 The trees have rooted in the rich soil. 树木在肥

发表于:2019-02-18 / 阅读(196) / 评论(0) 分类 英文语法词汇

托福听力背景知识:托福听力中有大量的专业及学术词汇,这些词汇大多依托于听力背景知识,如果考生能够事先了解一些托福听力的背景知识,对听懂听力对话及段子有很有帮助。 Darvinism

发表于:2019-02-18 / 阅读(156) / 评论(0) 分类 托福英语

time will not stand still today is the day, the day of salvation living for more than just synthetic force fed existence this is my disposition I will strive for the truth time will not stand still today is the day, the day of salvation living for mo

发表于:2019-03-02 / 阅读(206) / 评论(0) 分类 英文摇滚歌曲
学英语单词
angling adjustment of disk gangs
anti modernist
antiempiricist
articulatio composita
assigned descriptive name
auctionable
automatic switching
back-filling temper
beta disintegration energy
brasiery
butterfly stroke
car-tire
chaetomorpha aerea
chronic constrictive pericarditis
chym-
circuit input filter
Conlara
crouching tiger hidden dragon
culdocope
d-fs
dactile
DDCP
detins
disembrute
disk quota
dyphone
education for the million
end collar
erdem
ethoxylating
etoposide-platin
euclidean momentum
exine-held protein
express rifle
farre
feeding the fish
fixed public press service
front wheel house complete panel
general liens
generalized Newton-Raphson method
glischrogenous
harlotting
high-fidelity
high-pressure spinning
high-sodiun diet
host object
hydraulic pumps
jumblies
kill oneself laughing
kleppers
knee voltage
long cycle rust
low-temperature fluorescence spectrometry
mail cutter
mattress ballasting
merchandisings
methyl methacrylate
mezerein
milde
minc
modern life
monoether
moonpie
morphou b.
narrow-base phototransistor
non-local effect
NWbN
obay
Oribatoidea
osbeckia chinensis l.
oxysulfate of zinc cement
Palimbang Pt.
perpetualism
Phlomis betonicoides
polipidial pore
pump noise
quantized computer
ramlehs
Ruppertshofen
scarlad
sense of honor
sickleweed golden asters
Sinophone
slam-clicker
sportsworks
standard candle
straightforward trunking
Swertia decora
symphyllia agaricia
telephone cell
the child and the curriculum (dewey)
three-phase full wave rectifier circuit
trace forms
transmital mode
two phase operation
under various excuses
unsupervised classification
utility select switch
WCCK
worn to a shadow
xeriscaping
zero phase sequence-relay