mark 名词复数:marks 过去式:marked 过去分词:marked 现在进行时:marking 词形变化: 动词过去式: marked | 动词过去分词: marked | 动词现在分词: marking | 动词第三人称单数: marks | 词义辨析: 同义: n.标记 line sign evidence indication manifestation n.等级 grade rating