开球线的英文

• serve line
• serveline

• 开球:    open ball; open sphere; kick ...
• 线:    thread; string; wire
• 手中球置在开球线后:    cve ball in hand the head strinc
• 开球:    [体育] open ball; open sphere; kick off; starting the game
• 发球线:    b service line; base line; serviceline; starting line