foul line

• 运动场地上的界线，用于标示犯规区域或罚球位置，例如篮球中的罚球线或棒球中从本垒延伸出的犯规线。

A line on a sports field or court that marks a boundary for a foul, such as in basketball (free throw line) or baseball (foul line extending from home plate).

1. Baseball boundaryB1formalamerican

   A line on a baseball field that extends from home plate through first and third bases to the outfield, marking the boundary between fair and foul territory.

   界外线

   • The ball landed just inside the foul line for a fair ball.
   • The umpire checked if the ball crossed the foul line.
   • He hit a long drive that curved foul of the left field foul line.

2. Basketball free-throw lineB1formal

   A line on a basketball court 15 feet from the backboard, from which a player takes a free throw.

   罚球线

   • The player stepped up to the foul line for two free throws.
   • She made both shots from the foul line.
   • He practices free throws at the foul line every day.