The trachea in some patients is difficult or impossible to intubate under any circumstances.
有的病人的气管在任何情况下都是很难、或根本不可能插管的.
辞典例句
Is It'safer to Intubate Premature Infants in the Delivery Room?
在分娩室内对早产婴儿行气管插管是否更加安全?
互联网
"Cannulate the blood vessel in the neck"