checkpoint
チェックポイント
roadblock
control point
control station
point of control
dam
barrier
barrage
blockade
barricade
blocking
monitoring station
/suto3/google.iconcheckpoint
/suto3/Google画像検索.iconcheckpoint
/suto3/Google定義検索.icon checkpoint
/suto3/wikipedia.iconcheckpoint
/suto3/weblio.icon checkpoint
/suto3/kotobank.icon checkpoint
/suto3/jisho.icon checkpoint