intubate的第三人称单数怎么写？

intubate的现在进行时为：intubating...

vt.把管子插进...

intubate的一般过去时为：intubated...

intubate的现在完成时为：intubated...

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.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?...

intubate的音标：intubate的英式发音音标为：['ɪntjʊbeɪt]intubate的美式发音音标为：['ɪntʊbeɪt]...