For most of our history we were isolationist. For two fleeting decades we were predominant.在过去相当长的时期内,我们一直奉行孤立主义, 当然也曾有过短暂的20年居于世界的支配地位.Art is long,and time is fleeting.时光飞逝,学艺无穷。She wondered for a fleeting moment if he ...
现行的两种骨移植法有严重的缺陷.The two bone - grafting techniques currently available have serious limitations.头皮 全厚皮片移植法: 是利用头皮移植.All three ? scalp thick skin grafts: the use of scalp transplant....