音标发音英式音标 [ˈbɔːl.kɒk]美式音标 [ˈbɑːl.kɑːk]英式发音 美式发音 基本解释n.浮球鏇塞同根派生 ballcock相关词英英字典劍橋英英字典 a device in a water tank that controls the level of water, consisting of a floating ball attached to a rodballcock剑桥字典ballcock柯林斯字典