跑步结束后，他做了五分钟的慢走作为放松。

After running, he did five minutes of slow walking as a ___cooldown.

比赛结束后，教练让队员们进行十分钟的放松活动。

After the game, the coach asked the team to take a 10-minute ___cooldown.

这个治疗技能的冷却时间是15秒。

The healing ability has a 15-second ___cooldown before reuse.