whistle 名词复数:whistles 过去式:whistled 过去分词:whistled 现在进行时:whistling 词形变化: 动词过去式: whistled | 动词过去分词: whistled | 动词现在分词: whistling | 动词第三人称单数: whistles | 词义辨析: 同义参见: signal song siren