1. The patient has been in a coma for a week and doesn''t seem to have any hope of recovery.
    这个病人已经昏迷一个星期了，看来恢复的希望很小了。

1. 昏迷：推荐韩国恐怖电影<昏迷>>(COMA)系列,值得一看. (含剧情内容介绍)推荐韩国恐怖电影<昏迷>>(COMA)系列,值得一看. (含剧情内容介绍)

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2. 彗差：核心提示:像差是一个光学概念,最早在几何光学和物理光学领域应用,如几何光学中的色差(chromatic aberration)、球差(spherical aberration)、彗差(coma)等和物理光学中的波前像差(wavefront aberration),又称波阵面像差.

3.

3. 昏睡：意识混浊又可根据清晰度障碍和轻度不同而区别为嗜眠(sopor)、昏睡(coma). 所谓朦胧状态是意识内容的变化. 从生物学角度看来,在机体生存的适应活动中,由发达的中枢神经系统产生的主观性这一侧面,可称为意识. 脑生理学家认为,

4. coma：computer operations management association; 计算机操作管理协会（美国）

5. coma的意思

5. coma：cache only memory access; 全高速缓存存取

1. 昏迷
    Someone who is in a coma is in a state of deep unconsciousness.

    e.g. She was in a coma for seven weeks...
           她已经昏迷7个星期了。
    e.g. She had slipped into a coma by the time she reached hospital.
           到医院时，她已陷入昏迷。

1. a state of deep and often prolonged unconsciousness
    usually the result of disease or injury

    Synonym: comatoseness

2. (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet
    forms as the comet approaches the sun and is warmed

3. (botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds)