life support
柯林斯词典
1. N-UNCOUNT Life support is a system that is used to keep a person alive when they are very ill and cannot breathe without help. 生命支持系统[oft 'on' N]
She was kept on life support through the afternoon so family and friends could say goodbye. 那个下午给她用了生命支持系统，以便家人和朋友可以和她道别。
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