He's being deprived of oxygen.他正处于缺氧状态

deprive of剥夺； 使失去 ... (权利）

She was deprived of all the rewards that she deserved.

她被剥夺了她所应享受的一切奖励。

What will a student do if he were deprived of his books?

一个学生如果没有了书籍，将怎么办？

Amanda Clarke was apparently at the Graysons' Southampton estate at the time of the accident.阿曼达·克拉克发生事故之时明显是在格雷森的南汉普顿家中

at the time of在 ... 时

At the time of this news release, trading had reached its lowest point.

到这次新闻发布时，贸易量已达到最低点。

No decision has been made at the time of writing.

写这个的时候尚未作出决定。