单词：flowering hormone
[医] 催花激素
单词：flowering hormone 相关文章
Experts predict a global epidemic of Alzheimer's disease as the world's population ages. Their focus is now on a fat hormone that may indicate who is more likely to get Alzheimer's or other forms of dementia. By 2050, the number of people with Alzhei
VOA标准英语2009年(十二月)
What arc the parts of a flower? Flowers can have male parts and female parts. The female parts make eggs that become seeds. The male parts make pollen. Pollen is a powdery material that is needed by the eggs to make seeds. To make seeds, pollen and e
新东方CET6阅读
By Nancy Steinbach HEALTH REPORT -May 8, 2002: Hormone Replacement Questioned This is the VOA Special English Health Report. An international team of health experts says there is no scientific evidenc
健康与环境
Broadcast: June 11, 2003 By Nancy Steinbach This is the VOA Special English Health Report. New research has found another danger of hormone replacement therapy1. The therapy studied involved the hormo
VOA2003（上）-国际经纬
By David McAlary A new U.S. study highlights more negative health effects women might suffer if they take hormone supplements to combat the symptoms of aging. We know that taking the female hormones e
VOA2004（下）--健康科技
Everybody should take up gardening as a hobby. We can all get back to nature. Thousands of years ago we all did a bit of gardening. Its one of the most relaxing hobbies I can think of. Its also very satisfying. I get very excited about gardening. I l
纯正英语一分钟
Globe Trotting Tropicals Plants were world travelers, long before tourists like you and me, were able to fly off to vacation around the world. When Columbus sailed west, he was seeking precious spices of the Indies. He missed his original destination
英语时差8，16
Everybody should take up gardening as a hobby. We can all get back to nature. Thousands of years ago we all did a bit of gardening. Its one of the most relaxing hobbies I can think of. Its also very satisfying. I get very excited about gardening. I l
听一分钟英文-G
The Nightlife Of Plants Most plants grow buds, flower, or lie dormant at specific times of year. What Triggers These Seasonal Changes? Temperature and rainfall often play a role, but the most important factor to many plants is the length of the day.
英语听力文摘 English Digest
By Melinda Smith Washington 24 April 2007 One of the largest groups of milk producers in the United States has set an August first deadline for its members to stop treating their cows with a growth hormone, or pay more to get their milk to market. Th
2007年VOA标准英语（四月）
This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ
Scientific American(四)月
Leptin is a hormone made by fat cells that tells you when you're full. If you didn't have leptin---and some people don't---youd eat way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kid
Scientific American(六)月
HEALTH REPORT-July 24, 2002: Hormone Replacement Therapy Study Halted By Nancy Steinbach This is the VOA Special English Health Report. American government researchers have halted a national women’s
健康与环境
HEALTH REPORT - Hormone Replacement Therapy Linked to Blood Clots By Cynthia Kirk Broadcast: Wednesday, October 13, 2004 This is Gwen Outen with the VOA Special English Health Report. American researc
健康与经济
Hormone Could Restore Fertility in Lean Women Some women with very low body fat - such as athletes and professional dancers - stop menstruating and have an increased risk of bone fracture. Now, there's increasing evidence that hormone treatments can
VOA标准英语2011年(四月)
By Melinda Smith Washington 14 November 2009 The World Health Organization (WHO) estimates that at least 180 million people have diabetes. Roughly 90 percent have what's called Type Two diabetes, caused by the body's ineffective use of insulin. Rese
VOA标准英语2009年(十一月)
Researchers believe activity and interaction activated a communication channel in mice that prompted fat cells to stop releasing a hormone which accelerates cancer growth. Related Links Cell New research has found that mice with cancer are better abl
VOA标准英语2010年(七)月
Bamboo's tough reputation is such that another bamboo specialist was known by the Chinese as the iron-eating animal. The giant panda is famous for its exclusive diet. Giant pandas are thought to have originated in Southwest China millions of years ag
英语听力：文化博览2008年
By Jessica Berman Washington 04 March 2008 According to the results of a large U.S. study, older women who used hormone therapy to ease the symptoms of menopause and then discontinued it remain at increased risk of cancer. Researchers voiced surprise
VOA标准英语2008年（三月）
听力文本 Recording 33 录音33 In today's lecture, I'm going to talk about the part that plants have played in our history, something most of us probably never give any thought to. 今天这节课，我将会讲讲植物在历史中扮演的角色，
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