常见例句用作名詞 (n.)Sleep apnea has been found to be a factor in incidents involving every transportation mode, NTSB Chairman Deborah Hersman said in the letters.國家運輸安全委員會主蓆赫斯曼在函中說，睡眠呼吸暫停已發現是涉及每一種運輸方式的意外的一個因素。 返回 Hersman