A small marine fish of the genus Hippocampus, characteristically swimming in an upright position and having a prehensile tail, a horselike head, and a body covered with bony plates.是什么意思_A small marine fish of the genus Hippocampus, characteristically swimming in an upright position and having a prehensile tail, a horselike head, and a body covered with bony plates.在线翻译_英语_读音_用法_例句