单词：intestinal spongioma
单词：intestinal spongioma 相关文章
Your nose may be the first place you think of as a source of mucus. But mucus is a major player in your gut, too. There's antimicrobial peptides and proteins that are present in there. Bacteria live in there and forage on the carbohydrates. And it's
2016年Scientific American(十一)月
DEVELOPMENT REPORT - Studies Say New Rotavirus Vaccines Are Safe and EffectiveBy Jill Moss Broadcast: Monday, January 16, 2006 I'm Steve Ember with the VOA Special English Development Report. Studies
2006年慢速英语（一）月
At the same time, methanogens can use hydrogen and carbon dioxide produced by other bacteria to generate methane, 同时，产甲烷菌可以使用其他细菌产出的氢和二氧化碳以生成甲烷， which can reduce the total volume of gas by u
TED演讲教育篇
By Cathy Majtenyi Nairobi 07 November 2006 The speaker of Somalia's transitional government and members of the Islamic Courts Union are meeting near the Somali capital one week after negotiations between the government and the Islamists collapsed in
2006年VOA标准英语（十一月)
By Alisha Ryu Nairobi 01 June 2007 Officials in the semi-autonomous Somali region of Puntland have confirmed local reports that a group of armed fighters, believed to be remnants of Somalia's defeated Islamist movement, arrived in a small coastal set
2007年VOA标准英语（六月）
你认为最好的遗产是什么呢？是金钱还是房产？看了本文你就会这个问题有进一步的理解。As a young man, Al was a skilled artist, a potter. He had a wife and two fine sons. One night, his oldest son developed a severe s
英语美文