单词：intestinal flukes
单词：intestinal flukes 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
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
On more accounts than one, a pity it is that the whale does not possess this prehensile virtue in his tail; 总之，从许多方面说来，可惜大鲸的尾巴没有这种抓握力； for I have heard of yet another elephant, that when wounded in
白鲸记
At the crotch or junction, these flukes slightly overlap, then sideways recede from each other like wings, leaving a wide vacancy between. 在那桠杈或者分支的地方，这两片裂尾稍微有点叠起，接着又斜斜的、象两张翅膀彼此
白鲸记