stereopticon实体: substance entity幻灯机: optical lantern; slide proje ...实体幻灯: stereopticon幻灯机: epidiascope; optical lantern; picture slider; projection lantern; slide projector立体幻灯: stereo slide下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:实体幻灯机，即可在微信中查询翻译
