单词：invertebrated
n. 无脊椎动物；无骨气者；软弱无能者；意志薄弱者
单词：invertebrated 相关文章
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
万物简史
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
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
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
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
国家地理2007年
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
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
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
VOA标准英语2014年(七月)
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
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
英语时差8，16
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
托福英语