接合型;交配型

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(85) / 评论(0) 分类 (科普英语)Earth and Sky

Some people believe that one's personal- ity is related to one's blood type. There are three main blood types: A, B and O. Type A people are introverts whereas type 0 people are extroverts. Type B peo

发表于:2018-12-08 / 阅读(342) / 评论(0) 分类 赖世雄初级美国英语

Humpback whales sing most frequently where and when they breed. But researchers have just discovered that whales can sing complex songs even when diving and foraging, when its neither the time nor the place for mating behaviour. The study is publishe

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 Scientific American(十二)月

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(80) / 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(79) / 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(95) / 评论(0) 分类 英语时差8,16

第一章 练习26:两类描述性短语 Exercise 1 -26 Two Types of Descriptive Phrases continued Exercise 1 -26: Two Types of Descriptive Phrases Repeat ......1...... It's a short nail. It's really short. ......2...... It's a chocolate cake. It's

发表于:2018-12-27 / 阅读(94) / 评论(0) 分类 美式英语正音训练

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(90) / 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(207) / 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(102) / 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(286) / 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(105) / 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(74) / 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(161) / 评论(0) 分类 美联社新闻一分钟2008年(九)月

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(95) / 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(76) / 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(85) / 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(71) / 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(120) / 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(165) / 评论(0) 分类 英语时差8,16
学英语单词
a babygirl
abacisci
absolute reference frame
acceptance commission
acoustic-articulatory process
actinophytosis
Akona
alpinia shimadae kawakamii
Arteveld, Philip van
banyan-tree
bend sinister
bias-factor
bonesetting
briard
burning question
canine companion
cantilever slab
Caubren
cazalets
cefluosil
centroided
child ticket
chlorinated poly (vinyl chloride)
chloro-platinous acid
cognac flavour
congruent angle
cow in estrus
cross member
cuttle-fish paper disk
decarbonized iron powder
depresses
dethatched
dielectric circuit
divorced kids
do justice
double extragalactic radio source
double monsters
e.d.s
enervates
Erb's syndrome
fall out
flexibilizations
flexible obstruction
forward clearing
fully subscribed
gave over
Girl Guider
gross trading profit
hallimasch
have oneself to thank
heavy ion nuclear chemistry
high velocity index lubricating oil
Historic Places Trust
hop about
ichthyolsulfonate
inher
Koudougou
laryngoscopical
Lloyds Standard Form of Salvage Agreement
look someone in the eye face
low-airspeed sensing and indicating equipment (lassie)
maximum data rate-to-bandwidth ratio
muscalm
n-dimensional topological cell
NLQs
occulting apparatus
one-dimensional defect
opinionately
outdoors-oriented
parallel feedback operational amplifier
pattern of mixture
phagocytic cell disorder
polylines
potyviral
quickreplaceable
raincoated
resin-bonded graphite brush
ring-back
road closed
rubber gel
sampled beam
septum (pl.septa)
sintered bronze
sublevel slicing
tar papers
to run an errand
topical
transformational grammars
translational system
triple-edge
tube closing
two-stage type filter
two-trace oscilloscope
underway trial
ungodliest
unit tests
very fine columnur aggregate
video adaptor
what are you talking about?
wicket maidens
Yauze
yield determination