rib 名词复数:ribs 过去式:ribbed 过去分词:ribbed 现在进行时:ribbing 词形变化: 动词过去式: ribbed | 动词过去分词: ribbed | 动词现在分词: ribbing | 动词第三人称单数: ribs | 词义辨析: 同义参见: roast ridge plough bone