异型交配

Spider Widows 蜘蛛寡妇 Spiders give many of us the shivers, though they usually leave people alone. Sometimes these spectacular predators instead prey on each other. Learn more about when spiders serve themselves as dinner -- today on Earth and Sky.

发表于:2018-12-07 / 阅读(202) / 评论(0) 分类 (科普英语)Earth and Sky

Male nursery web spiders often woo potential lady-friends with gifts wrapped in silk. Mating may ensue, during which a female unspools the present, expecting to find a tasty treat. But the males can be unscrupulous. Some offerings contain inedible pl

发表于:2018-12-24 / 阅读(165) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American 60 second science, I am Christopher Intagliata, got a minute? The most common types of ingested birth control contain estrogen. But the hormone doesnt just prevent human babies. It may be lowering numbers of frog babies, t

发表于:2018-12-24 / 阅读(146) / 评论(0) 分类 Scientific American(二)月

Is there any sound more annoying than the whine of a [dict]mosquito[/dict]? Yes, mosquitoes are pests through and through. But there's more to their irritating whine than meets the ear. For mosquitoes, that's the sound of love. It's well known by sci

发表于:2018-12-27 / 阅读(177) / 评论(0) 分类 英语时差8,16

Pre-Listening Vocabulary depict: to show visually antlers: branch-like horns made of bone mating season: the time of year when animals reproduce Santas Reindeer Must Be Female If youve ever seen images of Santa Clauss reindeer, you know that they are

发表于:2018-12-28 / 阅读(169) / 评论(0) 分类 趣谈英语

Ok, here is the clinic for you guys out there on the Dos and Donts of finding emotional joy and carnal fulfillment in its most primitive form, if you get my drift. This male wildebeest dashes up to this herd of females, oblivious to the fact that ot

发表于:2018-12-30 / 阅读(303) / 评论(0) 分类 国家地理2008年

OK, we are back in the world of the Cyanea octopus. It's mating time. Here's your potential conquest. She doesn't know you're alive. She's too busy cleaning trash from her house. Now you are the perceptive type. You use your sensitive disks for any s

发表于:2018-12-30 / 阅读(193) / 评论(0) 分类 国家地理2007年

The mating ritual of each species on Earth has certain, well, peculiarities. As you might tell it from the name of the species itself, blue-footed boobies are no exception to this rule. Here in the Galapagos Islands, this pair of blue-footed boobies

发表于:2018-12-30 / 阅读(400) / 评论(0) 分类 国家地理2007年

Chances are, youre going to marry someone a lot like you. Similar intelligence, similar height, similar body weight. A new study of tens of thousands of married couples suggests that this isnt an accident. We dont marry educated people because we hap

发表于:2019-01-03 / 阅读(188) / 评论(0) 分类 趣味英语

How is technology changing love? I'm going to say almost not at all. 科技改变了爱吗?我认为没有。 I study the brain. I and my colleagues have put over 100 people into a brain scanner 我从事大脑研究。我和我的同事们对100多人

发表于:2019-01-03 / 阅读(150) / 评论(0) 分类 TED演讲科技篇

1. The Bush administration and Congress are working through the weekend to hammer out a Wall Street rescue plan. President Bush is asking lawmakers to let the government buy 700 billion dollars in bad mortgages from US financial institutions for the

发表于:2019-01-11 / 阅读(237) / 评论(0) 分类 美联社新闻一分钟2008年(九)月

blame game negative campaigning 美国选民每四年不仅要选举一位总统,而且还要选举四百三十五名国会议员、至少三十三名参议员以及在州一级和基层的许多官员

发表于:2019-01-14 / 阅读(227) / 评论(0) 分类 美国习惯用语

英文歌词 Listen baby I wonder why sometimes we fall apart oh yeah Together we are so wonderfull yeah baby And every single day i pray, that really things shouldnt never be this way Im only trynna be a better man Why then do you see all the negative

发表于:2019-01-21 / 阅读(286) / 评论(0) 分类 音乐咖啡厅

negative number (does not exist) 负数 ● His fashion IQ is so low, it's a negative number. 他对时装的智商是那么低,可说是负数。(他对时装的鉴赏力根本不存在。) ●

发表于:2019-01-21 / 阅读(216) / 评论(0) 分类 英文名句短语

Ok, here is the clinic for you guys out there on the Dos and Donts of finding emotional joy and carnal fulfillment in its most primitive form, if you get my drift. This male wildebeest dashes up to this herd of females, oblivious to the fact that oth

发表于:2019-01-22 / 阅读(185) / 评论(0) 分类 自然百科2008年

I have a daughter, Mulan. And when she was eight, last year, she was doing a report for school or she had some homework about frogs. And we were at this restaurant, and she said, So, basically, frogs lay eggs and the eggs turn into tadpoles, and tadp

发表于:2019-01-24 / 阅读(200) / 评论(0) 分类 英语语言学习

Women are 'genetically programmed to have affairs' 女性天生有出轨基因 Women are predisposed by their genetics to have affairs as back-up plans' if their relationships fail, according to a research paper. 研究结果表明,如果恋爱或者

发表于:2019-02-09 / 阅读(156) / 评论(0) 分类 实用英语

Oh! Yeah, yeah, yeah, yeah Yeah, yeah, yeah, yeah All the vixens stand in line Waiting for my fright night Be the new flesh for the sacrifice Screaming out the mating call I've become the lord of love I break your will I'll break your will for good I

发表于:2019-02-11 / 阅读(178) / 评论(0) 分类 英文摇滚歌曲

We found activity in a tiny, little factory near the base of the brain 我们发现在大脑底部附近有一块活跃的微小的区域 called the ventral tegmental area. 腹侧背盖区。 We found activity in some cells called the A10 cells, 其中

发表于:2019-02-14 / 阅读(239) / 评论(0) 分类 TED演讲科学篇

No matter the species, mating rituals are pretty weird. Take the praying mantis. After an intimate tryst, the female mantis bites its partners head off. But when it comes to sexual hijinks, nothing beats the garden snail. During sex, garden snails of

发表于:2019-03-06 / 阅读(257) / 评论(0) 分类 英语时差8,16
学英语单词
ammonium fluotitanate
animates
artificial time history
boiling-reactor experiment
boot-camp
brokaws
cannot help doing
capnodium fooii berk. et dasm.
cardionector
cardioregulator substance
castex
chart aeronautical planning
choiceless
Codelcorton
constitution controller
costoxiphoid ligaments
craftilich
cryptogame
cyberchondria
diaphragm capsule
double-walled well
earthen jar
fast forward playback
fidget with
fire-control quadrant
fluoroorotic
forgiver
gastrohepatic ligaments
general form of value
genus Procellaria
giant cell myeloma
give someone walking walking orders
Halopeplis
hard-boiling
hard-drawn copper wire
Helfrich permeation mechanism
heptades
high-positioned appendix perforation
higher-margin
indirect-tax
interflow of commodities
interlocking side cutter
irradiation drum
isolated planting
khaliff
king of the mountains
laicize
lepisorus tosaensis
Liparis bautingensis
London (Gatwick) Airport
lower gold point
marhams
meaw
metal strip bolometer
moisture integrator
muscle of auditory ossicles
Oberwörresbach
optical damage
outdoorings
pacific alliance
pale coral root
perfect adhesive binding machine
personal phone directory
peuple
physical attraction
picture disturbance
ply metal
potassium superoxide
potting compound
prairies
precipiced
pressure angle of base circle
quintating
rohits
rostral shield
sand dike
sanketak (india)
seamewes
secondary syphilid
sensory evaluation method
settle up
singlo
skunk cabbage
sodium phosphate tribasic
space time quantization
sphingolipids storage disease
stomodaeum
superpolymer
syringe reaction chromatography
taille direct
tepidariums
Tha Khanon
therapeutic use
total solids by drying
tradesmanlike
transilient fibers
trichothecin
unrinded
vibrational transition
volume production
weft fork motion
xylaria anisopleura