1、 I was unconscious of her presence、我不知道她在场。
2、 They were so quiet that he was completely unconscious of their presence、他们非常安静，他完全不知道他们在场。
3、 After she hit her head she was unconscious for several minutes、她把头碰了一下后昏迷了几分钟。
4、 He was unconscious of his mistake、他没意识到自已的错误。
5、 He injured his head and was unconscious for one hour、他伤着了头部，一个小时没有知觉。
6、