Mouth of drum

鼓口───Mouth of drum

This can help drum up further interest via word of mouth, which can be hugely valuable in the early stage of a new business or product launch.───这又可以通过口口相传招徕更多的关注，这种关注对于新企业或者产品发行初期阶段来说可能是极为有价值的。

bell has a specific name of the site, known as moving the upper and the lower part is called the drum bell mouth 16.20 for milling, bell onthe lips say, Name-minute dance.───钟的各部位都有着特定的名称，上部称为钲，下部谓之鼓，钟口两角为铣，钟唇曰于，钟顶名舞。