单词:esophageal constriction
单词:esophageal constriction 相关文章
Asthma by John Russell With World Health day on 7th April, this week we take a closer look at a very common health problem. Does your chest regularly feel tight? Do you find it difficult to breathe after light exercise? Do you sometimes make a wheezi
Vaccine - a planned exposure to an antigen in order that memory B lymphocytes can retain a memory for it. In practice the organism carrying the antigen is either killed or modified so that it does not
This is the VOA Special English Health Report. A question from Taiwan: Chung-Li wants to know why his face turns red when he drinks alcohol. A party in Tokyo This effect called facial flushing is a common reaction to alcohol among East Asians. It af
RACHEL MARTIN, HOST: It is tick season, and with it comes the risk of Lyme disease. Once found mainly in New England, Lyme disease is now being reported in a much wider range of the U.S. NPR's Allison Aubrey reports that cases have more than doubled
文本: So Skara Brae was not just an isolatedsettlement of fishers and farmers. Its people must have belonged to some largersociety, one sophisticated enough to mobilise the army of toilers and craftsmenneeded, not just to make these monuments, bu
If you like curry then you must be delighted to learn that scientists in Ireland have found a certain type of curry spice can kill off cancer cells. The chemical curcumin can be found in the bright yellow curry spice turmeric. Its long thought to hav
1. Libya officials say the US ambassador Chris Stevens has been killed along with three other Americans in an attack on the US consulate in Benghazi. The consulate was burned down by Muslim protesters' angry about a film that ridicules the Prophet Mu
Hot Drinks Linked to Cancer 热饮料或与癌症相关 From VOA Learning English, this is the Health Lifestyle report. VOA英语学习健康及生活方式报道。 The next time you make yourself a hot cup of tea or coffee, you might want to let it
A Cure for Cancer? 癌症有救了? If you like curry then you must be delighted to learn that scientists in Ireland have found a certain type of curry spice can kill off cancer cells. The chemical curcumin can be found in the bright yellow curry s
If you like curry then you must be delighted to learn that scientists in Ireland have found a certain type of curry spice can kill off cancer cells. The chemical curcumin can be found in the bright yellow curry spice turmeric. Its long thought to hav
Don: [WHISTLING A BIRDSONG-LIKE TUNE] Ya?l: Nice tune Don, but can you whistle with your tail like an Anna's hummingbird? D: Hummingbirds can whistle with their tails? Y: Male Anna's hummingbirds, which live along the west coast of North America, can