bolster 名词复数:bolsters 过去式:bolstered 过去分词:bolstered 现在进行时:bolstering 词形变化: 名词: bolsterer | 动词过去式: bolstered | 动词过去分词: bolstered | 动词现在分词: bolstering | 动词第三人称单数: bolsters | 词义辨析: 同义参见: uphold back supporter support strengthen shoulder prop1 pillow