translation.en: It needs an extremely well-trained anesthesiologist with years of training with complex machines to help her monitor the flows of the gas and keep her patients safe and anesthetized throughout the surgery.
translation.zh: 需要一个接受过良好训练的麻醉师 有数年操作复杂机械的经历 来监控气体进出 保证病人的安全和 手术中的麻醉状态