卜瑞斯顿种数曲线

Exhibit Highlights Butterfly's Beauty, Diversity, Value to Ecosystem Flying Canvases They are gentle, colorful creatures that move with grace and flair. And in a warm and humid enclosure at the Smithsonians National Museum of Natural History in Washi

发表于:2018-12-08 / 阅读(192) / 评论(0) 分类 VOA标准英语2013年(三月)

Hawaii's Birds Threatened by Invasive Predators, Habitat Loss Many people think of the Hawaiian islands as a Pacific paradise, a string of tropical islands lush with exotic flora and fauna. But the islands' native species - especially birds - have be

发表于:2018-12-16 / 阅读(146) / 评论(0) 分类 VOA标准英语2012年(七月)

Estranged Family Gets Sports Fix in 'Trouble With The Curve' In Trouble With The Curve, Gus Lobel knows more about scouting new talent for baseball teams than anyone else in the business; but his failing eyesight and old-fashioned attitudes may end h

发表于:2018-12-16 / 阅读(184) / 评论(0) 分类 VOA标准英语2013年(一月)

After suffering a life-threatening illness, singer-songwriter Mary Chapin Carpenter had time to reassess her priorities. She came to believe in more fully appreciating the blessings each day brings From NPR News, this is weekend edition. I am Liane

发表于:2018-12-19 / 阅读(172) / 评论(0) 分类 2007年NPR美国国家公共电台

They say an elephant never forgets. And at Giza Zoo, feeding the elephants no doubt provides a memorable experience for children. The two old elephants at Giza Zoo are perhaps the most iconic creatures there and are at least 60 years old. Built in 18

发表于:2018-12-19 / 阅读(110) / 评论(0) 分类 英闻天下

Urban development is encroaching on forests in the Pacific Northwest. And its also ruining Valentines Day for some songbirds. Because urban growth is making it a challenge for some birds like the Pacific Wren to stay faithful to their partners, at le

发表于:2018-12-24 / 阅读(96) / 评论(0) 分类 2017年Scientific American(二)月

P: Hey Yang Chen why are you playing Hail to the chief? I thought we were a sports show - are we going political? Y: Not really. You see, Patrick, the presidential election is in its final stretch - the home stretch - the final lap - just like in长跑

发表于:2018-12-25 / 阅读(205) / 评论(0) 分类 体育美语

China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.

发表于:2018-12-30 / 阅读(216) / 评论(0) 分类 国家地理2008年

to throw a curve to throw for a loop 美国人在打棒球时经常喜欢发曲线球,使球的方向会发生突变,这样给对方造成错觉,不能回击那个球。这和其他球类运动,

发表于:2019-01-07 / 阅读(264) / 评论(0) 分类 美国习惯用语

By Zulima Palacio Kauai, Hawaii 18 June 2007 The Hawaiian archipelago represents the most isolated group of islands in the world. Plants and animals that are common to many people elsewhere only made it to these islands in the last few hundred years

发表于:2019-01-11 / 阅读(152) / 评论(0) 分类 2007年VOA标准英语(六月)

According to a new study published in Britain, wildlife conservation in Africa is leading to widespread human rights abuses. In her new book, Nature Crime, researcher Rosaleen Duffy wrote that organizations in Africa are operating a shoot-to-kill pol

发表于:2019-01-13 / 阅读(104) / 评论(0) 分类 VOA标准英语2010年(八)月

Yeah, yeah. You know my name. I know You wrote my story-y-y. But there are days, I can't see a happy ending. No, no. Life get's hard. Sometimes it just hurts. It's kicking me down and throwing me curves. When I feel the rain. I won't be afraid. 'Caus

发表于:2019-01-14 / 阅读(172) / 评论(0) 分类 节奏布鲁斯

You know my name. I know You wrote my story-y-y. But there are days, I can't see a happy ending. No, no. Life get's hard. Sometimes it just hurts. It's kicking me down and throwing me curves. When I feel the rain. I won't be afraid. 'Cause I know, I

发表于:2019-01-16 / 阅读(122) / 评论(0) 分类 节奏布鲁斯

China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.

发表于:2019-01-22 / 阅读(103) / 评论(0) 分类 自然百科2008年

Darren, I do love these museum collections when you come behind the scenes and you suddenly feel that you are surrounded by treasures. And it's amazing to think that there are new discoveries to be made in here as well. That's right in a way. There a

发表于:2019-01-23 / 阅读(104) / 评论(0) 分类 探索与发现2012年

By Jessica Berman Washington 10 April 2008 An international team of scientists has conducted an exhaustive survey of Madagascar's thousands of endangered plant and animal species. The information will be used to protect the creatures and vegetation t

发表于:2019-01-31 / 阅读(117) / 评论(0) 分类 VOA常速英语2008年(四月)

Cambodia is home to the largest population of sun bears left in the wild. As the worlds smallest bear species, they are now facing a high risk of extinction due to the twin threat of habitat loss and illegal hunting. Charities are working hard to sav

发表于:2019-02-04 / 阅读(119) / 评论(0) 分类 英语新闻视频

今天又要学两个在总统大选年里新闻界时常会用到的习惯用语,而且这两个习惯用语还是从美国人最心爱的消遣活动: 棒球赛中借用来的。 这两个习惯用语都和用牛皮制成的结结实实的棒球有

发表于:2019-02-05 / 阅读(450) / 评论(0) 分类 美国习惯用语

A Chinese entomologists has found a giant mosquito with a wing span of 11.15 centimeters. Zhao Li, curator of the Insect Museum of West China, said the mosquito, which belongs to the world's largest mosquito species Holorusia mikado, was found in Aug

发表于:2019-02-14 / 阅读(132) / 评论(0) 分类 2018CRI中国国际广播电台

Remember when-- Alan Jackson Remember when I was young and so were you And time stood still and love was all we knew You were the first, so was I We made love and then you cried Remember when 曾几何时我年轻过你亦如此 时光静止你我除爱别无所知 我之初

发表于:2019-02-17 / 阅读(220) / 评论(0) 分类 音乐咖啡厅
学英语单词
anguifanna
angustura
antherophylly
anthoceropsidas
arteria uteroplacentaris
astronomical cross bearings
asynchronous sending mode
bat carrier
Beamas
booming engineering
bottom slice
bread - and - butter pudding
bullock one's way
C. t. T.
CaC2O4
cantaloupe melon
carbon budget
castanopsis platyacantha rehd. et wils.
Chlamydoboea sinensis
choropleth maps
circumfusion
debarkation
delayed scram capacity
development reactor
Diplarche
diswitted
douste
dropout rate
Duck Mountain
dysgeusia
elnas
emergency stop device
encysted form
family Poeciliidae
farnesyl
floating-point constraint
Frankenia
gallein
gastrolobium
gccs
germinal band
germinal vesicle
gone to pieces
Hetaeria
high obstruction
high tension switch board
Indo-Pacific realm
iodopyridones
iraklion
jack-arch
Kelly
kok
Kolguyev, Ostrov
kotzebue
limestone chips
longitudinally unstable
lower plants
lysemia
macowanites americanuss
management games
Memecylon hainanense
mid-finger
natural growth rate of population
neoprene roofing
nitromesitylene
nonquranic
penalty try
penalty-takers
perfect inelastic collision
Pocklington
poinciana
prerenal
recovery of stomge
refocused
rehemmed
rescoped
retellings
road-sprinkler
Ryotsu
sensitive tint plate
sidina
Sizhukong
sliminess
socialities
Solec Kujawski
spit hole
squizzing
statistic level distribution
stepney wheel
striatobalanus tenuis
stylohyold muscle
sugar fatty acid ester
super fibre
turret traversing system
udder circumference
unloader tower
Unstone
urban sewerage system
urban structure
USWC
yardangs
zimmered