例句
1. 中国有广阔的领土和辽阔的海洋，陆地边界２．２万多公里，大陆海岸线１．８万多公里。中国面临复杂多样的传统和 非传统安全挑战，受到分裂势力和恐怖主义等威胁。
1. China has a vast land territory and sea area, with a borderline of over 22,000 kilometers and a coastline of over 18,000 kilometers. China faces multiple traditional and non-traditional security challenges and the threat of separatists and terrorism. It is therefore necessary and justified to modernize China’s defense capabilities in order to uphold China’s security and protect its peaceful development.