诚实和勤奋是成功的基本要素。

Honesty and hard work are the key ___elements of success.

户外活动时记得带雨具，以防恶劣天气。

Remember to bring rain gear for outdoor activities in case of bad ___weather.

团队中最年轻的成员们成为了最具创新精神的群体。

The youngest ___elements in the team became the most innovative group.

金和银是两种常见的化学元素。

Gold and silver are two common ___elements in chemistry.