单词：facies vesicalis uteri
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苏斯博士Dr.Seuss经典童书绘本
By David Byrd Washington 02 February 2006 Daron Rahlves He is a three-time medalist at the World Alpine Ski championships. He has beaten the vaunted Austrians on their own course at Kitzbuehel, but Ol
2006年VOA标准英语（二月）
By Paul Thompson Studying a fiber left on the end of a plant: Did it come from clothes? Or from burlap used for transporting marijuana? VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley G
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Grammar Girl here. Today I'm announcing the top five Grammar Girl pet peeves of 2008. About a month ago, I asked Grammar Girl listeners to submit their pet peeves for consideration for the peeves of 2008 list, and boy, do you have a lot of peeves! Wh
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Follow-up examinations of the mice in all these experiments looked at the strengths of connections between nerve cells within part of the brain called the ventral tegmental region. 在所有这些实验中，老鼠的后续检查是观察中脑腹侧被
经济学人科技系列
She found that, while the genetically engineered mice and the BTBR mice had, as expected, reduced levels of L. reuteri, 她发现，虽然经过基因编辑的老鼠和BTBR老鼠体内的罗伊氏乳杆菌果然有所减少， and those with bacteria
经济学人科技系列