医药科学
精子洗涤
At the moment, would-be parents are offered a sperm "washing" technique prior to insemination, which removes cells and other detritus which can harbour the virus.
BBC: Sperm heating could foil HIV
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。