sublenticular近: near; close双: two; twin; both; dual凸透镜: burning glass; convex lens; ...的: 4次方是 The fourth power of 2 i ...延伸双凸透镜的: prolonged lenticular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:近双凸透镜的,即可在微信中查询翻译