细菌培养时龄

Beginner A: how old is Keith? B: hes 21. how old is James? A: hes a year older than Keith, but he looks younger. B: hows your father? A: hes fine. He retired last week. Its turning poing in his life. Now he can relax and enjoy his retirement. B: he

发表于:2018-12-02 / 阅读(183) / 评论(0) 分类 情景英语口语100主题

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(355) / 评论(0) 分类 赖世雄中级美国英语

This is the VOA Special English Agriculture Report. Beans are a popular choice for home gardens. Specialists at the University of Illinois Extension say bush beans need the least work. The plants do not need supports to stand. Green bush beans used

发表于:2018-12-15 / 阅读(96) / 评论(0) 分类 VOA慢速英语2009年(三)月

STEVE INSKEEP, HOST: Some new parents have started giving their newborns what's being called a bacterial baptism. The idea is to try to help their babies develop healthy microbiomes, the collection of friendly bacteria that inhabit everyone's bodies.

发表于:2018-12-17 / 阅读(121) / 评论(0) 分类 2018年NPR美国国家公共电台10月

This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact

发表于:2018-12-24 / 阅读(117) / 评论(0) 分类 Scientific American(五)月

Im really interested in the culture of other countries. I dont know why, but I always think other cultures are more interesting than my own culture. Every time I travel, I learn wonderful, strange, amazing and interesting things about other cultures.

发表于:2018-12-26 / 阅读(120) / 评论(0) 分类 纯正英语一分钟

haven't seen you for ages.我好久没见到你了。 age有物品或人的年龄的意思,上面age后加了s,是表示很长时间的意思。 What is the age of this building?这建筑物有多少年历史了? age也指人生的某一时期或年龄段。例如: I used to be a football player when I was

发表于:2018-12-30 / 阅读(153) / 评论(0) 分类 蒋健棠一词多意

What is it like to be old in the United States? What will our own lives be like when we are old? Americans find it difficult to think about old age until they are propelled into the midst of it by their own aging and that of relatives and friends. A

发表于:2018-12-31 / 阅读(134) / 评论(0) 分类 英语名著名段背诵精华

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(167) / 评论(0) 分类 英语新闻

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(一)月

[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(232) / 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(268) / 评论(0) 分类 Daily Free Games

Computers around the world are connected in an extensive communication system called the Internet. Transcript of radio broadcast: 17 June 2008 VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special English. Tod

发表于:2019-01-11 / 阅读(180) / 评论(0) 分类 VOA慢速英语2008年(六)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(250) / 评论(0) 分类 阅读空间

茶是中华文明最宝贵的文化财富之一。历史上,茶是带有传奇色彩的帝王神农发现的。 Listen Read Learn Tea is one of the greatest cultural treasures of Chinese civilization. Tea was historically discovered by the legendary emperor, Shennong, who believed th

发表于:2019-01-21 / 阅读(139) / 评论(0) 分类 英语口语大赢家

Swimmer Dara Torres of the United States has tasted Olympic victory. But this year, the 41-year-old mother is carrying more than aspirations for a gold medal on her shoulders - she is carrying the hopes of a generation of athletes and fans. Torres w

发表于:2019-01-31 / 阅读(191) / 评论(0) 分类 VOA标准英语2008年(八月)

今天我们要学的词是age limit。 Age limit, 年龄限制。社交网站脸书网并不是任何人都能注册帐户的。 Facebook enforces an age limit of 13 years or older to register an account, 脸谱网规定,只有满13岁的人才能注

发表于:2019-02-02 / 阅读(162) / 评论(0) 分类 英语单词荟萃

By Cache Seel Shalatin, Egypt 10 July 2007 Facing Drought and the loss of grazing land for their herds, many Bedouin of southeastern Egypt are giving up their traditional lifestyle. The Egyptian Government and aid organizations have stepped in to hel

发表于:2019-02-05 / 阅读(263) / 评论(0) 分类 2007年VOA标准英语(七月)

Listen to March 3rd 2010 for background to this. The Minister of Transport, Steven Joyce, said there will be changes for young drivers to improve road safety. We already know that the government has planned to raise the driving age to 16 but this is

发表于:2019-02-16 / 阅读(146) / 评论(0) 分类 新西兰英语
学英语单词
affected by
aggrecanases
amateur band
archdevil
backward wave magnetron
Bressoux
buoyant market
calcium silicofluoride
ceramic drawing cones
charged wall
Chilwa, L.
colonial coelom
communication operating instructions
compound wall
coppings
corrosive-resistant lining
dental casting 14k gold alloy
die a dry death
diiodothymol
disorientation in flight
district of culture and education
dividing key
Dunafoldvar
enforcement of rights
environmental meteorology
erythrina bark
Freyssinet cone anchorage
functional verification test
general cargo space
glycolaldehydes
gold gasket
gondwanas
Greek city-state
Guatemala grass
haulage efficiency
healmier
hexacosadienoic acid
high pressure process
Hirth minimeter
homing instinct
hot-air chamber
hypourocrinia
immune globulins
infinity
ingrowings
inj
islet-cell carcinoma
Kabasha
lattice binding
long finger
luminescent fibre
mentre
metabolisations
meteoric year
microsyringe
mid-sweep
mutchkin
necrotrophy
net mark-on percentage
nondegenerate Boolean algebra
nondiversifiable
nonprocedural reference
of-ask
oil-relay governor
one dimensional sequence
orbit time
orbiting telescope
paramyon
parenthesized expression
Parl., parl.
phenyl carbylamine dichloride
Pletrovirus
pollution blackmail
Poly-L-Lysine
posterior oesophage ganglion
power control circuit
principle of least astonishment
radioactive preparation
radium bath water
response relation
rhodesiense
ring voltage
rotary vane sealing strip
saturation activity
single-tub wagon tipper
Sint-Huibrechts-Hern
sious arteriae carotidis internae
spilching
static suction head
sub-term
swallow-tailed kites
Tan-do
tentative tax
tetouan (tetuan)
to define
uncuddlable
Vaccinium papillatum
wheel flat
window film
worm adjustment
Z particle
zinc ore