基本解释不可食用 切勿吞食英汉例句双语例句Sometimes a patient's operation might be cancelled four days in a row, and they would receive "nil by mouth" for most of the day, four days running有时一个病人的手术可能会连续取消4天，并且他们还得忍受连续四天的每天大部分时间不得进食的煎熬。nil by mouth更多例句词组短语短语nil by mouth from midnight 午夜后完全禁食nil by mouth更多词组