球速 (qiú sù) — speed of a ball; ball speed

Definição

Exemplos

• 这个选手的球速非常快，对手很难接到。
  Zhè ge xuǎn shǒu de qiú sù fēi cháng kuài, duì shǒu hěn nán jiē dào.
  This player's ball speed is very fast, making it hard for opponents to return.
• 他在训练中努力提高球速。
  Tā zài xùn liàn zhōng nǔ lì tí gāo qiú sù.
  He is working hard to increase his ball speed during training.
• 测量球速的仪器需要定期校准。
  Cè liáng qiú sù de yí qì xū yào dìng qī jiào zhǔn.
  The equipment for measuring ball speed needs regular calibration.