相关例句

• Scientists are exploring the frontiers of medicine. (科学家们正在探索医学的新领域)
• The frontiers of the country are well - guarded. (这个国家的边境戒备森严)
• They live on the frontiers of civilization. (他们生活在文明的边缘地带)
• Our troops are stationed at the frontiers. (我们的部队驻扎在边境)
• The frontiers of knowledge are constantly expanding. (知识的边界在不断扩展)
• This research is at the frontiers of modern physics. (这项研究处于现代物理学的前沿)
• The frontiers of the forest were hard to define. (森林的边界很难界定)
• We are on the frontiers of a new era. (我们正处于一个新时代的边缘)
• The frontiers of technology are advancing rapidly. (技术的前沿正在迅速发展)
• They are exploring the frontiers of space. (他们正在探索太空的边缘地带)