undergo的过去式和过去分词是什么?
undergo的过去式 underwent过去分词 undergone;第三人称单数 undergoes现在分词 undergoing
Most leukaemia patients undergo some sort of drug therapy.
绝大多数白血病患者都会接受某种药物治疗。
She underwent a heart transplant in a last-ditch attempt to save her.
她动了心脏移植手术,这是为挽救她的生命而作的最后一次努力。
Several of the airline\'s planes are temporarily out of commission and undergoing safety checks.
这家航空公司有几架飞机暂时不能使用,正在接受安全检查。