Lawn tennis, to give the sport its full title, developed from real tennis, an indoor game that dates back to twelfth or thirteenth-century France, when balls were hit with the palm of the hand.

• 这项全名为草地网球的运动，源自十二、十三世纪法国的“宫廷网球”。当时还是室内游戏，玩者徒手以掌心击球。