单词：hemorrhoidal vessels
单词：hemorrhoidal vessels 相关文章
Tiny Camera Sees Inside Blood Vessels Ahead of any surgical procedure, doctors try to learn as much as possible about the state of the organs they plan to operate on. A new camera developed in the Netherlands can now make that easier - giving surgeon
VOA标准英语2015年(四月)
Jeanne Baret was passionate about science, so passionate that in the 1760s the French women disguised herself as a man. She hide her true identity to accompany her lover, Bach Philibert Commerson on the first friendship to sail around the world. At t
Scientific American(一)月
The National Oceanic Atmospheric Administration [NOAA], spends most of its time trying to understand and predict changes in the environment, along with conserving and managing coastal and marine resources. But its scientific expertise also just made
Scientific American(九)月
The United Nations' World Food Program says the U.S.-flagged container ship anchored off the coast of Somalia is carrying items to feed hundreds of thousands of starving people in Somalia, Uganda and Kenya. The ship's captain is being held hostage b
VOA标准英语2009年(四月)
Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear
VOA标准英语2011年(二月)
Free exchange自由贸易Tilted marine倾斜的海运New techniques show the damage done by subsidies at the heart of global trade新方法表明对航运业的补贴具有危害性THERE is no better symbol of the benefits of globalization than the c
经济学人财经系列
US to Deploy More Troops in Afghanistan Alex Belida Elements of a 2,200-strong Marine expeditionary unit currently aboard ships in the Gulf will be sent into Afghanistan to participate in operations t
VOA2004（上）--各类新闻
XI'AN, March 31 (Xinhua) -- Archeologists(考古学家) in the northwestern Shaanxi Province confirmed Thursday, after weeks of lab work, that the bones they found in a bronze cooking vessel from a 2,400-year-old tomb belonged to a male dog under a y
英语新闻
A group apparently linked to a militant Kurdish organization has hijacked a passenger ferry boat just southwest of the Turkish city of Istanbul. Turkish Transport Minister Binali Yildirim said Friday as many as five hijackers had taken control of the
英语新闻
Italy's coast guard says the navy has rescued 3,000 migrants off the coast of Libya after responding to requests for help from more than 20 vessels. 意大利海岸警卫队说，意大利海军响应20多艘船只发出的求救请求，在利比亚沿
英语新闻
世博会开幕这几天一直高温不下，仅5月1、2日两天世博园区救护车出动就达到80多次，其中接诊的26个人是中暑。中暑的英文怎么说呢？大家都知道stroke，中风，而中暑就是heat stroke。 那么，中
英语口语
CHENGDU, Oct. 25 (Xinhua) -- A Chinese biotechnological company announced on Sunday it has developed the world's first 3D blood vessel bio-printer, which makes it possible to produce personalized functional organs. Sichuan Revotek Co., Ltd. based in
英语新闻
The U.S. Navy says it is on heightened alert after receiving what it calls credible al-Qaida threats against American warships and commercial vessels in the Gulf of Aden, the Arabian Sea, and the Persian Gulf. The latest threat from Osama bin Laden's
VOA标准英语2010年(一月)
HOUSTON, July 24 (Xinhua) -- An out-of-control natural gas well ignited a fire on a rig off the coast of the U.S. state of Louisiana in the Gulf of Mexico, and the raging blaze has caused its production platform to collapse, authorities said on Wedne
英语新闻
Tea has complex compounds called polyphenols which are believed to help the arteries to relax or dilate, thus enabling a smoother flow of blood. 茶中含有一种叫多酚的复杂混合物。这种物质据信能帮助放松或扩张动脉，从而使
实用英语
Science and technology 科学技术 Medical technology 医学技术 Skin deep 肌肤之下 A better way to diagnose skin cancers 诊断皮肤癌的更好方法 DERMATOLOGISTS are good at spotting unusual bits of skin that might or might not be cancer
经济学人科技系列
WUHAN, July 28 (Xinhua) -- China launched its largest and most advanced patrol vessel Haixun01 on Saturday in Wuhan, a city in central China's Hubei province, in a move to maintain its marine sovereignty and enhance its rescue efficiency. Haixun01 is
英语新闻