unobstructed vision无: not have; there is not; be w ...障碍: hinder; obstruct; rub; bar; ...视界: field of view; field of visi ...无障碍: avyanadhana; barrier free; handicap毫无障碍: the coast is clear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:无障碍视界，即可在微信中查询翻译
