calving ['kɑ:viŋ] 裂冰(作用) 例句与用法: Many a good cow hath a bad calf. 好母牛难免产劣犊。 The cow cast her calf. 母牛流产了。 词形变化: 动词过去式: calved | 动词过去分词: calved | 动词现在分词: calving | 动词第三人称单数: calves |