tamp down 向下压紧; 轻轻敲击以压下 例句与用法: He tamped down the tobacco in his pipe. 他把烟丝紧紧摁实在烟斗里。 词形变化: 动词过去式: tamped | 动词过去分词: tamped | 动词现在分词: tamping | 动词第三人称单数: tamps |