open ace meaning in English

空旷地；游息用地

There are literally thousands of kilometres of safe ， sandy beaches for children to explore ； deep dark caves where they ' ll learn about huge ， prehistoric marsupials ； the murray river where they can fish and water ski ； and national parks and wide open aces where they can make noise and have fun without disturbing a horde of other tourists
据说这里有几千公里安全的沙滩供孩子们去探索：在漆黑的洞穴里了解史前的有袋动物；在墨累河里掉鱼滑水；尽情地在国家公园和空旷开放地制造“噪音” ，玩耍，而不去打扰别的旅游者。