ground board地面: the earth's surface; ground边界: boundary; frontier; border; ...地面边界层: surface boundary layer; surfaceboundarylayer表面边界层: surface boundary layer; surfaceboundarylayer界面边界: interfacial boundary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:地面边界，即可在微信中查询翻译
