有几个俘虏军官，为了看得更清楚些，他们爬到皮埃尔靠着的那堵被烧毁的房屋的墙头上。
Several of the Russian officers clambered up on to the wall of the burnt house by which Pierre stood so as to get a better view.
经皮左心耳堵闭术可以预防血栓栓塞并发症、并避免长期应用抗凝药物。
Percutaneous transcatheter left atrial appendage exclusion embolism complications can be prevented and to avoid long-term oral anticoagulation drugs.
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