球たま筋すじ

noun

course of a thrown ball; ball trajectory

Used mainly in baseball for the path of a pitched or thrown ball.

• 彼かれの投なげる球たま筋すじはとても鋭するどい。

  The trajectory of his pitches is very sharp.

noun

course of a hit ball; ball flight

Used in golf, tennis, and similar sports for the path of a struck ball.

• ゴルフでは風かぜが球たま筋すじに大おおきく影えい響きょうする。

  In golf, the wind greatly affects the ball's flight.