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to return to a tennis court: 1\if you are fully vaccinated, you can only permitted to play singles. 2\if you are fully vaccinated, you can play doubles. 3\masks must be carried at all times, but can be removed once to play and then worn again once play has finished. key words: 单打：play singles 双打：play doubles 随时携带： be carried 摘下口罩: be removed 重新带上: be worn again |
