nod 过去式:nodded 过去分词:nodded 现在进行时:nodding 名词复数:nods 词形变化: 名词: nodder | 动词过去式: nodded | 动词过去分词: nodded | 动词现在分词: nodding | 动词第三人称单数: nods | 词义辨析: 同义: vi.点头 bow bob tip bend signal 同义参见: response while greeting salute courtesy subscription movement yes