蓝洞位于塞班岛的东北角,是塞班最著名、难度最高、曾被《潜水人》杂志评为世界第二的洞穴潜水点。今天,就让我们一起遨游蓝洞吧。 Natural caves are connected to the Pacific Ocean The blue hole in the northeast corner of Saipan is a natural cave connected to the Pa
1 China hits back atUS 中国反制美国加征关税 China announced that it will raise the rate of additional[额外的] tariffs [关税]imposed on some of the imported US products from June 1. China had earlier imposed add