目的: 为经颞骨岩部乙状窦前入路颞骨岩部的磨除提供解剖依据.Objective : To provide anatomical basis for petrous pyramid through petrous presigmoid approach.外耳癌则实行颞骨次全切除术.The ear cancer was treated subtotal temporal bone resection.中、外耳癌则实行颞骨次全切除术.The ...
It is the humour of many heads to extol the days of their forefathers.许多人天生喜欢吹捧祖先的时代.All of us bristled at the lawyer’s speech insulting our forefathers.听到那个律师在讲演中污蔑我们的祖先,大家都气得怒发冲冠。They are the most precious cultural leg...
Eugenics has a biological significance.优生学具有生物学上的意义.A distinction is often made between " positive " and " negative " eugenics.对 “ 积极 ” 优生学和 “ 消极 ” 优生学往往加以区分.An example of negative eugenics would be the attempt to eradic...