retropharyngeal spacesretropharyngealspacespatium retropharyngeumspatiumretropharyngeum咽: swallow后: behind; back; rear亨克间隙,咽后间隙: henke space后间隙: rear gap腹膜后间隙: spatia retroperitonaeale; spatium retroperitoneale下载手机词典可随时随地查词查翻译