| 1. | The game s popularity dwindled almost to zero during the 1700s , but in 1850 , charles goodyear invented a vulcanization process for rubber , and during the 1850s , players began to experiment with using the bouncier rubber balls outdoors on grass
这种运动在1700年，曾经销声匿迹，但是在1850年发明了一种硫化制造橡胶的工艺，在那时，球员们开始尝试在草坪上玩这种新式球。 |
