1. He is a very gesticulatory speaker, using his hands to emphasize every point he makes.

他是一个非常善于做手势的演讲者，用手势来强调他所说的每一个观点。

2. The gesticulatory communication between the two dancers was so precise and expressive that words were unnecessary.

两位舞者之间的手势交流非常精确和富有表现力，几乎不需要用到语言。