国こっ境きょう警けい備びこっきょうけいびMeanings1nounborder securityRefers to the guarding and control of national borders, including patrols, surveillance, and immigration checks.国こっ境きょう警けい備びを強きょう化かする方ほう針しんが発はっ表ぴょうされた。A policy to strengthen border security was announced.彼かれは国こっ境きょう警けい備びの任にん務