In stroke play only, when during play of a hole a competitor is doubtful of his rights or procedure, he may, without penalty, play a second ball.是什么意思_In stroke play only, when during play of a hole a competitor is doubtful of his rights or procedure, he may, without penalty, play a second ball.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句