projector投影: projection; projective; shad ...器: implement; utensil; ware幻灯: slide show投影器，幻灯机: projector投影器: balopticon; camera of projection; projecting apparatus; projection glass; projector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:投影器幻灯，即可在微信中查询翻译
