vt.& vi.（用腐蚀性物质或烙铁）烧灼以消毒
Laser beams may cauterize and heal ulcers.
激光束可以烧灼和愈合溃疡.
Lasers cauterize incisions , reducing bleeding and infection, sealing off nerve endings, and minimizing postoperative pain.
激光可以麻痹伤口, 减少流血和感染, 封闭神经末梢, 将术后痛苦降低至最小.
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