Definition of unpenetrable in English:

unpenetrable

adjective (ˌ)ʌnˈpɛnɪtrəbl

Late Middle English; earliest use found in The Book of the Foundation of St. Bartholomew's Church in London. From un- + penetrable.

adjective(ˌ)ʌnˈpɛnɪtrəbl

Late Middle English; earliest use found in The Book of the Foundation of St. Bartholomew's Church in London. From un- + penetrable.

单词	unpenetrable
释义	Definition of unpenetrable in English: unpenetrable adjective (ˌ)ʌnˈpɛnɪtrəbl Incapable of being penetrated; impenetrable. Origin Late Middle English; earliest use found in The Book of the Foundation of St. Bartholomew's Church in London. From un- + penetrable. Definition of unpenetrable in US English: unpenetrable adjective(ˌ)ʌnˈpɛnɪtrəbl Incapable of being penetrated; impenetrable. Origin Late Middle English; earliest use found in The Book of the Foundation of St. Bartholomew's Church in London. From un- + penetrable.
随便看	bouncy castle bouncy castles bound bound boundable bound about/around boundal boundaries boundaries boundary boundary condition boundary fence boundary layer boundaryless boundarylessness boundary line boundary rider boundary umpire boundary value Boundary Waters bound at bound-bailiff bound by bounded boundedly