牆壁

(1)anything serving to maintain separation by obstructing vision or access

(2)視界や進入を防ぐことによって分離を維持するのに役立つ何か

(3)any condition that makes it difficult to make progress or to achieve an objective; "intolerance is a barrier to understanding"

(4)進歩や目的達成を困難にする状況

(5)a barrier that serves to enclose an area

(6)ある領域を囲うための障壁

(7)an embankment built around a space for defensive purposes; "they stormed the ramparts of the city"; "they blew the trumpet and the walls came tumbling down"

(8)防御の目的で空き地の周囲に建てた堤防

(1)