公园里到处都是开心笑着的人，让人心情愉快。

The park was filled with cheerful ___smiles who brightened everyone's mood.

毕业舞会上，身着燕尾服和晚礼服的微笑者们正在合影留念。

The ___smilers in tuxedos and evening dresses gathered for group photos at the prom.