Vos
abbr. 虚拟操作系统（Virtual Operating System）；声控录制系统（Voice Operation System）；向量操作子系统
🗣️ 情景例句
Yes, I went to the aerobics class today.
去了啦， 我上了有氧运动课了。
Do you have any openings?
你们有空缺吗？
Two factors weigh heavily against the effectiveness of scientific research in industry.
两个因素严重地影响工业里科学研究的效果：