rack 名词复数:racks 过去式:racked 过去分词:racked 现在进行时:racking 词形变化: 名词: racker | 动词过去式: racked | 动词过去分词: racked | 动词现在分词: racking | 动词第三人称单数: racks | 词义辨析: 同义: vt.使(身心)受伤害 hurt torture pain torment agonize punish harass distress strain n.架子 framework shelf