raising brushing
提高刷牙
以上为机器翻译结果，长、整句建议使用 人工翻译 。
At hospitals large and small, raising the head of the bed for patients on ventilators, brushing patients' teeth and taking other precautions have dramatically reduced ventilator-associated pneumonia, another common and costly infection.
CNN: Unsung heroes work hard to cut hospital-acquired infections
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