boundary
🇺🇸
/ˈbaʊndri/
🇬🇧
/ˈbaʊndri/
A line that shows where one area ends and another begins.
The river forms a natural boundary between the two countries.
その川は二国間の自然な境界線を形成しています。
In cricket, when the ball crosses the edge of the field and scores extra points.
The player scored many runs by hitting the ball past the boundary.
その選手はボールを境界線の向こうに打ち込んで多くのランを獲得しました。