semi-infinite slab半: half无限: infinite; limitless; boundle ...平板: dull and stereotyped; flat; ...半无限平面: infinite half plane无限平板: infinite slab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:半无限平板,即可在微信中查询翻译