骨龄落后

While on an expedition in western China twenty years ago, some explorers discovered the mummies of a tall, red-haired people. Though estimated to be nearly 4,000 years old, the corpses were quite well

发表于:2018-12-08 / 阅读(346) / 评论(0) 分类 赖世雄中级美国英语

The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a

发表于:2018-12-19 / 阅读(123) / 评论(0) 分类 彭蒙惠英语

Rare but Deadly By Susan Brink /2005, U.S. News World Report . All rights reserved with permission. Distributed by Tribune Media Services International. Simple, cheap blood tests could save thousands

发表于:2018-12-19 / 阅读(168) / 评论(0) 分类 彭蒙惠英语

Every week, more children arrive to work in the hundreds of primitive mines in the bush. Here they endure long hours at dangerous jobs, wringing flecks of gold from the dirt with mercury. One of them is a 12-year-old boy named Saliou. Momodou is just

发表于:2018-12-26 / 阅读(127) / 评论(0) 分类 自然百科2016年

People start stereotyping early. Even toddlers react positively to members of their own race, but often distrust those from different groups. The seeds of racism are planted in most everyone. Everyone, that is, except people with a rare genetic condi

发表于:2019-01-02 / 阅读(144) / 评论(0) 分类 60秒科学

By Lisa Schlein The UN Children's Fund, UNICEF, says Iodine Deficiency Disorders, which cause mental retardation, are a huge problem in Europe and Central Asia. UNICEF says this disorder can be solved

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 VOA2004(下)--健康科技

The Internet and social media are proving to be a double-edged sword. While they expand the possibilities of commerce and information-sharing, they are also used by terrorists(恐怖分子) to recruit members, to promote hate, and even to reveal ways

发表于:2019-01-06 / 阅读(160) / 评论(0) 分类 英语新闻

People start stereotyping early. Even toddlers react positively to members of their own race, but often distrust those from different groups. The seeds of racism are planted in most everyone. Everyone, that is, except people with a rare genetic condi

发表于:2019-01-08 / 阅读(163) / 评论(0) 分类 Scientific American(四)月

Time now for StoryCorps. This oral history project is traveling the country, collecting interviews between friends and families. Today we hear from a daughter and her father. --My name is David Warm, I'm 51 years old. --My name is Mary Warm, and I'm

发表于:2019-01-08 / 阅读(198) / 评论(0) 分类 2006年NPR美国国家公共电台

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: Age of Japan is an incredible puzzle entertainment, which shines with unique graphics. All 40 game levels are rendered with Japane...

发表于:2019-01-08 / 阅读(225) / 评论(0) 分类 Daily Free Games

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: Age of Japan is an incredible puzzle entertainment, which shines with unique graphics. All 40 game levels are rendered with Japane...

发表于:2019-01-08 / 阅读(260) / 评论(0) 分类 Daily Free Games

To have a feeling in one's bones To have a bone to pick 今天我们要讲两个以 bone 这个字组成的习惯用语。Bone 在中文里是什么意思呢? Bone 就是骨头。我们首先要给大家

发表于:2019-01-09 / 阅读(187) / 评论(0) 分类 美国习惯用语

This is the VOA Special English Health Report. Deep inside each cell in our body is all the genetic information needed for life. Human genes are normally organized along forty-six chromosomes -- twenty-three from each parent. David Petersohn of Libe

发表于:2019-01-11 / 阅读(208) / 评论(0) 分类 VOA慢速英语2008年(九)月

This is the VOA Special English Health Report. Human genes are normally organized along forty-six chromosomes in our cells, twenty-three from each parent. A school for people with Down syndrome in Mexico City But some people are born with an extra c

发表于:2019-01-11 / 阅读(101) / 评论(0) 分类 VOA慢速英语2009年(九)月

By Carol Pearson Washington 14 January 2008 For years autism has baffled researchers and devastated families. Autism typically appears in the first three years of life. Symptoms include problems with communication, difficulty forming relationships an

发表于:2019-01-13 / 阅读(107) / 评论(0) 分类 VOA标准英语2008年(一月)

The Lacandon are direct descendants of the Maya peoples who live in the jungles of the Mexican state of Chiapas. Until the mid-20th century, they had little contact with the outside world. As a result, the indigenous group was almost extinct. Today

发表于:2019-01-13 / 阅读(114) / 评论(0) 分类 VOA标准英语2009年(五月)

The same space seems shorter as we grow older, in youth we may have an absolutely new experience, subjective or objective, every hour of the day. Apprehension is vivid,retentiveness strong, and our re

发表于:2019-01-16 / 阅读(246) / 评论(0) 分类 阅读空间

A dog once stole a bone from a butcher's shop.He ran off down the street as fast as he could,across the meadow in the village and down the hill to a rough bridge over a stream.There he paused,panting,to look at the clear,clean water.Wha

发表于:2019-02-02 / 阅读(147) / 评论(0) 分类 趣味英语

今天我们要讲几个包括bone这个词的习惯用语。Bone是骨头。我们要学的第一个习惯用语是: feel in your bones。Feel in your bones这个习惯用语用了有一百来年了。它的起源很有趣,曾经骨折或者有风湿

发表于:2019-02-06 / 阅读(183) / 评论(0) 分类 美国习惯用语

这是一个令人心酸的故事,每个人都有权憧景新的生活,但年仅八岁的Philip除外,因为他缺乏憧憬未来的必要条件一个健康鲜活的生命,所以看看他的new life愿望吧,你一定被会为你的幸福感动

发表于:2019-02-20 / 阅读(109) / 评论(0) 分类 英语美文
学英语单词
a-spread
accelerated oxidation test
accrued dividends
Alisma canaliculatum
ante-temple
bateful
binary pulse width modulation circuit
biodeposits
Cabuncle
capital outlay
chogset
code reuse
color deviant
commercializations
conglobatus
conocephalus formosanus
culture organisms
cuppy
Czochralski
demethoxyhaleniaside
derogatorious
distribution canal
diversivolent
double bounce technique
electrical machine constant
entitize
environmental externalities
everest spheroid
fibre-diagram
Ficus cumingii
finitist
flower-shop
fluxion banding
general compiler (gecom)
homonuclear double resonance
hopper-type rail-form concrete paver
HPPIsopurind
hunts out
ilr
insulated hook
intrinsic defect
King Hussein
kolinization
lauhala
lazy boy
Likuden
Lysimachia navillei
mangoing
martingale stay
mathesius
mesheds
microinfuse
milliken conductor
mon-khmers
moronity
multi-storage system
mushroom-shapeds
neks)
new worldscale
no terminal raceme
nonuniquely
Nāgbhir
organdy finish
outstanding frame
over recovery
plumbic pyrophosphate
pneumatic hammer disease
pollen vortex
Pormylgitoxin
pulse off time
q-number
radiator strut
Rohdea
rotoscoliosis
Russell's double sugar agar
salt-works
self-cleaning bucket
shared record format
Shirase Basin
sleazy
small-fruited
smoking pole
source of gamma rays
spermatorrheas
subject
subphylum Craniata
subrepresentation
switch lever with reversing counter-weight
synthetic fluid cracking catalyst
tacky dry
Tangxiella
tape-editings
thermal dilatometer
tikus
time of completion
tribasicity
Trihromophenyl
typical tumor
Tūtān
valvular deformity
Warnham