方法2003年9月~2006年4月应用腹腔镜结肠镜双镜联合技术施行左半结肠切除术5例. Methods From Sep. 2003 to Apr .2006,5 patients underwent laparoscopic and colonoscopic left hemi - colectomy.
The Ellsworth basin lay between the epicontinental basin and the marginal magmatic arc during the Devonian.除了上述两个沉积盆地外,在罗斯海两边却出露了火山岩,说明该地当时处于俯冲带附近的火山弧中.This paper forward the types sequence stratigraphic boundary and seq...
My lettuces have gone to seed.我种的莴苣已结子.Are these lettuces home - grown or did you buy them in the market?这些生菜是自家种的呢,还是你在市场上买的?An under - gardener was watering lettuces.有个菜农在浇莴苣....
This book is testimony to a very individual kind of courage.这本书显示了个人非凡的勇气。When the father took the stand today, he contradicted his son's testimony...那位父亲今天出庭作证时，驳斥了自己儿子的证词。He was called in to bear testimony to what...