即将到来的 21 世纪是人类开发利用海洋的新世纪。A:In the coming 21st century mankind will have new opportunities to develop and utilize the ocean.B:The coming 21st century is a new century which the mankind will have new opportunities to develop and utilize the ocean. 开发利用 新世纪 发布时间:2024-03-30 19:13:39