[网络] 四氢咪唑

《Teenage Life》这首歌,是2006年欧洲歌唱大赛亚军歌曲,歌曲开头的童声超级可爱,宛如天籁。这首歌要表达是:一个过来人对学校老师们老生常谈的、泯灭孩子天性的教学方法及分数挂帅的学

发表于:2018-11-29 / 阅读(208) / 评论(0) 分类 节日英文歌曲精选

这是记忆中最经典最难忘的闹铃音乐:Daz Sampson - Teenager Life 《Teenage Life》这首歌,是2006年欧洲歌唱大赛亚军歌曲,歌曲开头的童声超级可爱,宛如天籁。这首歌要表达是:一个过来人对学校老

发表于:2018-12-13 / 阅读(147) / 评论(0) 分类 英文手机闹钟铃声

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(166) / 评论(0) 分类 Scientific American(一)月

The penguins stay when all other creatures have fled because each guards a treasurea single egg rested on the top of its feet and kept warm beneath the downy bulge of its stomach. There is no food and no water for them. And they will not see the sun

发表于:2018-12-27 / 阅读(121) / 评论(0) 分类 探索与发现2012年

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(147) / 评论(0) 分类 医务英语

Locals in Uganda are lauding a construction project financed by China which is creating the East African country's largest hydroelectric power plant. The 600-megawatt (MW) Karuma Hydroelectric Power Plant is located at the mid-western district of Kir

发表于:2019-01-19 / 阅读(204) / 评论(0) 分类 2018CRI中国国际广播电台

They are constantly on the move. New-born calves have to be up and running the day they are born. But the vast herds do not travel alone. Wolves. Packs of them, eight to ten strong, shadow the migration. And they are hungry. Its the newly born calves

发表于:2019-01-23 / 阅读(141) / 评论(0) 分类 探索与发现2012年

But they are hungry and eager to reach their mother whos delayed feeding them on this special day. Now she lures them with the promise of milk, the only food the cubs have known since they were born, deaf and blind beneath the snow some two months ag

发表于:2019-01-23 / 阅读(140) / 评论(0) 分类 探索与发现2012年

Day 10. And the mother has let her cubs a mile from the den. Its time to put them to the test. Theyve grown enormously in confidence, but they dont have their mothers sense of urgency. At last it seems that they are ready for their journey. And they

发表于:2019-01-23 / 阅读(125) / 评论(0) 分类 探索与发现2012年

Midsummer on the tundra and the sun does not set. At these altitudes, the suns rays are glancing and not enough of their energy reaches the ground to enable trees to grow. Youll need to travel five hundred miles south from here before that is possibl

发表于:2019-01-23 / 阅读(123) / 评论(0) 分类 探索与发现2012年

As we travel south, so the suns influence grows stronger. And at 50 degrees of latitude, a radical transformation begins. Summers here are long enough for broadleaf trees to replace conifers. Broadleaves are easier to eat and digest, so now animals c

发表于:2019-01-23 / 阅读(139) / 评论(0) 分类 探索与发现2012年

The advance of the seasons brings constant change. As the suns influence diminishes in the north, so the deciduous forests of America begin to shut down, losing their leaves in preparation for the dark, cold months ahead. One season hands over to ano

发表于:2019-01-23 / 阅读(123) / 评论(0) 分类 探索与发现2012年

The character of the forest changes as we descend, becoming ever darker and damper, favoring different kinds of animals and plants. Less than two percent of the sunlight reaches the floor. But even here there is extraordinary variety. In the Great Is

发表于:2019-01-23 / 阅读(113) / 评论(0) 分类 探索与发现2012年

The sun beating down on tropical waters powers the weather systems of the globe. Moisture evaporates from the warming ocean and rises to create great storms. The winds generated out at sea sweep inland across the continents. As they travel across the

发表于:2019-01-23 / 阅读(126) / 评论(0) 分类 探索与发现2012年

Deer are frequent casulties of the harsh winter. And these leopards are not above scavenging from a corpse. African leopards could never survive here. But the Russian cats have thick fur to shied them from the cold. There are only 40 Amur leopards le

发表于:2019-01-23 / 阅读(149) / 评论(0) 分类 探索与发现2012年

Their secret is teamwork. Impala are their favourite prey. They start to hunt and the pack splits up. An aerial viewpoint gives a new insight into their strategy. As the dogs approach their prey, they peel off to take up separate positions around the

发表于:2019-01-23 / 阅读(116) / 评论(0) 分类 探索与发现2012年

The dogs know their prey must come out or drown. Now its a waiting game. The rest of the pack are calling. Theyve made a kill in the forest and this is an invitation to join in the meal. The impala is in luck. A pack this size kills once a day and ev

发表于:2019-01-23 / 阅读(133) / 评论(0) 分类 探索与发现2012年

All across southern Africa, all animals are journeying for the same reason. Buffalo join the great track. Nowhere else on Earth are so many animals on the move for the same urgent purpose. They are all heading for the swamps of the Okavango, a vast i

发表于:2019-01-23 / 阅读(137) / 评论(0) 分类 探索与发现2012年

Hi! This is Stever Robbins, host of the Get-it-Done Guys Quick and Dirty Tips to Work Less and Do More. Grammar Girl is working on her book this week and since I do a lot of public speaking, she asked me to talk about how to use similes and metaphors

发表于:2019-01-30 / 阅读(207) / 评论(0) 分类 英语语法 Grammar Girl

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(175) / 评论(0) 分类 万物简史
学英语单词
analytic isomorphism class
apogee altitude
areostyles
Asia Pacific Energy Research Center
automatic decrystalization device
Azy-le-Vif
backprinting
Baramanni
baudot multiplex telegraph
beetly
blasterous
blighton
both faces
by-pass arm
catenary curve
cephalochromin
chemistry of process
coefficients of connection
cross someone's palm with silver
deep throating
dentin chips
direct-challenge systme
disciple-ships
economy of passenger
electrical pick-off
emigre
entablature
equalizing compartment
equation of higher degree
Exchange-Rate Mechanism
Expurgatory Index
feeder cord
fibrocartilago basialis
food center
foot path platform
frost boiling
Fuentelespino de Moya
genus Pholidota
gitega (kitega)
go to any trouble
Gratiolet's radiating fibers
guilelessness
heat generation unit
hemostatics
hexatriacontanoic
hurleblast
iridallochrosis
karyotypes
kundelungs system
kurile islands
l'action
label panel
level of performance
lithosere
loops in
lower branch of Greenwich meridian
mammock
mandre
megaplaque
mermothers
myrtan extract
neurodegenerative
non-perfect fluid
normoxid layer
octastyles
old style calendars
open-bay
partitionings
perch stream
personal safety
piston oil ring
Pittosporum kweichowense
pollinia luteola
postsynsacral
principal value of stress tensor
promesenteron
pulcinellas
quick engine change unit
record card
reference systems
representative of
reversible fuse
rwa
sand sea
scanned holography
scramble speech
secundiparous
spilosite
superconductiog memory
supernumerariness
surfactivity
tape-loops
TCCC
tendsome
time share
tinactin
unassassinated
undertenant
unimparadised
vestibular vertigo
vulval papilloma
wet gate printer