二度烧伤的水疱或大疱是防止微生物污染的自然屏障，应注意保护以防损伤破裂。
The vesicles or blebs of second-degree burns should not be opened but should be protected from injury, since they form a natural barrier against contamination by microorganisms.
二度烧伤的水疱或大疱是防止微生物污染的自然屏障，应注意保护以防损伤破裂。
The vesicles or blebs of second-degree burns should not be opened but should be protected from injury, since they form a natural barrier against contamination by microorganisms.
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