perch 名词复数:perches 过去式:perched 过去分词:perched 现在进行时:perching 词形变化: 名词复数: perch | 动词过去式: perched | 动词过去分词: perched | 动词现在分词: perching | 动词第三人称单数: perches | 词义辨析: 同义: vt.放置; 座落于 rest sit settle alight