Methods From Sep. 2003 to Apr .2006,5 patients underwent laparoscopic and colonoscopic left hemi - colectomy.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.Aim To explore the subtotal colectomy for the obstructing carcinoma ...
A gunman fired off a volley of shots into the air.持枪歹徒朝天扫射了一排子弹。Three mounted officers rode into the field after the volley.枪炮一起开火后，3名军官骑着马冲进战场。A man fired a volley of shots at them.一名男子向他们射出了一排子弹。...
请不要帖上这些邮票, 我要集邮的.Please don't stick the stamp on; I like to collect them.她从小起就一直在集邮.She has been collecting stamps since she was a child.再有一张邮票,我这套集邮就完备了.I need one more stamp before my collection is completed....