equivalent lensequvalent lens等: class; grade; rank焦: burnt; scorched; charred透镜: lens; optical lens变焦透镜: multifocal lens; variable focus lens; varifocal lens; zoom lens单焦透镜: unifocal lens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:等焦透镜，即可在微信中查询翻译
