[kǒu jìng]
（器物圓口的直徑） bore; caliber
203mm. gun
203毫米口徑的大炮
heavy-caliber machine gun
大口徑機槍
small-bore rifle
小口徑步槍
（泛指要求的規格、性能等） requirements; specifications
not meet the requirements
口徑不合
（比喻說話的內容） statement
arrange to give the same story; give the same account by arrangement
對口徑
speak along the same line; have the same approach in speaking about sth.
說話口徑一致
unify statement
統一口徑