科学家正在研究气候变化与极端天气之间的关系。

Scientists are studying the ___relation between climate change and extreme weather events.

春节期间，我们邀请了所有亲戚来家里聚餐。

During the Spring Festival, we invited all our ___relations for a family dinner.

她对那次旅行的生动叙述让我们仿佛身临其境。

Her vivid ___description of the trip made us feel like we were there.