BACKGROUND: brain injury often causes secondary cerebral ischemia and hypoxia, which aggravate the brain damages.

背景：脑损伤后常引起继发性脑缺血、缺氧，使脑损害加重。

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BACKGROUND: brain injury often causes secondary cerebral ischemia and hypoxia, which aggravate the brain damages.

背景：脑损伤后常引起继发性脑缺血、缺氧，使脑损害加重。

youdao