口径 kǒujìnɡ noun ① (指直径) calibre ▸ 大口径炮 heavy-calibre gun ▸ 小口径手枪 small-calibre pistol ② (指规格) specifications ▸ 不合口径 not meet the requirements ▸ 螺钉与螺母口径不合。 The diameters of the screw and the nut are not the same. ③ (指看法、原则) account of an event ▸ 统一口径 agree on a uniform version ▸ 口径一致 speak along the same lines |