[ 复数 ferrules 第三人称单数 ferrules 现在分词 ferruling 过去式 ferruled 过去分词 ferruled ]
N-COUNT A ferrule is a metal or rubber cap that is fixed onto the end of a stick or post in order to prevent it from splitting or wearing down. 装于棍棒顶端，以防止其裂开或磨损的金属帽或橡皮帽 [正式]
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