This is the 8502nd most frequent Japanese word.
打球
"打球" means "batting a ball" or "hitting a ball" in sports like baseball or tennis.
Here, '打球' refers to the hit ball itself, focusing on its speed ('速さ').
打球の速さに彼らは驚いた。
They were surprised by the speed of the hit ball.
In this sentence, '打球' represents the hit ball that achieved a home run ('ホームラン'), showcasing its outcome.
その打球はホームランになった。
The hit ball turned into a home run.
In this sentence, '打球' refers to a ball that has been hit in the context of baseball, emphasizing the quality ('素晴らしい') of the hit.