短语词组短语persistence of hyaloid artery 玻璃样动脉残留fetal hyaloid artery 胎儿玻璃样动脉persistent t hyaloid artery 永存玻璃体动脉hyaloid artery stump 玻璃体动脉残留persistent hyaloid artery 璃体动脉 返回 hyaloid artery