他已证明他能在草地网球场上比赛。
He has proved he can play on grass .
现代网球来自英国，由世界著名的温布尔登网球公开赛，每年在伦敦的草地网球场举行。
Modern tennis then came from England and developed from the world famous Wimbledon tennis tournament , held in London every year on grass tennis courts .
草地网球场