他们张开他们嘴巴
They open their mouths
以上为机器翻译结果，长、整句建议使用 人工翻译 。
要是所有别的办法都告失败，就要求他们张开嘴巴坐着，同时让重病人稍稍坐起身来，朝着他们的脸咳嗽。
If all else failed, they were required to sit open-mouthed while a gravely ill victim was helped to cough into their faces.
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