witnessing
词形变化：
名词: wit-nesser | 动词过去式: witnessed | 动词过去分词: witnessed | 动词现在分词: witnessing | 动词第三人称单数: witnesses |
witnessing
词形变化：
名词: wit-nesser | 动词过去式: witnessed | 动词过去分词: witnessed | 动词现在分词: witnessing | 动词第三人称单数: witnesses |