从热带度假回来后，她需要几天时间重新适应寒冷的天气。

After returning from her tropical vacation, she needed a few days to ___re-acclimate to the cold weather.

回到家乡后，他花了一周时间才重新适应这里的气候。

After returning to his hometown, it took him a week to ___re-acclimate to the local climate.