不能维持自主呼吸Inability to Sustain Spontaneous Ventilation
自然发生spontaneous generation
任意的，自发的spontaneous
自发反应spontaneous reaction
自愿呈报制度spontaneous reporting system voluntary
吐血衄血blood ejection and spontaneous external bleeding
自发通气spontaneous ventilation
【医】 自[发运]动spontaneous movement