Excuse me, Referee. Can you explain why the ball is "four hits"?

对不起裁判员先生，怎么是四次击球呢？

youdao

By training twice daily and taking a nap, the dedicated rider gets four hits of growth hormone daily resulting in higher levels of fitness sooner.

以每日两次的训练和小睡一下，奉行的车手能每天获得四次击中球一般的生长激素及较快导致高水平的健康。

youdao

Several other videos had notched up between three and four million hits.

几个其他的视频也得到二百到四百万人数的点击。

youdao

In seven innings, he gave up only four hits and two earned runs against the Pittsburgh Pirates.

VOA: special.2010.06.18

The batter can run to all four bases if he hits the ball over the fence or out of the ballpark.

VOA: special.2009.04.12

All became hits. This made Justin Bieber the only artist in the history of Billboard magazine to have four singles from his first album among the most popular songs before the albums release.

VOA: special.2010.02.26

Lyle Overbay had a career-best four hits, including a two-run homer, and finished with five RBIs.

WSJ: Royals pounded by Overbay, Yankees in 11-6 loss

He gave up only four hits and two walks over eight innings, striking out eight Tigers.

WSJ: CC Sabathia: The Yankees' Mr. Reliable

Pujols homered twice earlier in the game and finished with four hits and three RBIs.

NPR: Moss Hits 2nd HR In 19th, A's Outlast Angels 10-8