osKK [ɑs] /ɑs/发音名词1作业系统缩写,电脑The new phone ships with the latest OS already installed.这款新手机出厂时就预先安装了最新的作业系统。2口、孔、开口医学The doctor examined the os to check for any swelling.医师检查了该开口处,看看有没有肿胀。3骨、骨骼解剖学In anatomy texts, each os is labeled with its Latin name.在解剖学教科书中,每一块骨头都标注了拉丁文名称。用这个字练口说→