bout|bouts

她经历了一段长时间的健身训练。

She went through a long ___bout of fitness training.

他最近经历了几次剧烈的头痛发作。

He has had several ___bouts of severe headaches recently.

这位摔跤手在最后一场比赛中取得了胜利。

The wrestler won his final ___bout of the tournament.