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- Troops are being massed on the frontier. 军队正在边境集结。
- There is trouble on the horizon. 麻烦事即将发生。
- They lived in log cabins on the frontier. 他们住在边境的木屋里。
- Troops are mass-ing on the frontier. 部队在边境集结。
- Everything is quiet on the frontier. 边境上一切安静。
- Theories on the frontier of astrophysics. 关于天体物理学新领域的理论
- The car has had the trouble on the road. 汽车在路上出了故障。
- We had car trouble on the freeway. 在高速公路上,我们的车出毛病了。
- There is continual trouble on the border. 边界的纠纷不断。
- A man who lives on the frontier. 边境居民居住在边境的人
- The army was massing on the frontier. 军队集结在边境上。
- Troops are massing on the frontier. 军队在边境集结。
- They massed well-equipped troops on the frontier. 他们在边境上集结了装备精良的军队。
- The youngest son has only brought down trouble on the family. 这家的幼子只是给这家带来麻烦。
- A woman who lives on the frontier. 边境妇女居住在边境的女人
- Troops are being massed on the frontier . 军队正在边境集结。
- Forts are built on the frontier. 炮台筑在边疆上。
- The scout reported that there was trouble on the road ahead. 侦察员报告说前面路上有麻烦。
- There is trouble on the horizon and turmoil at Hogwarts. 数不清的麻烦潜伏在明日，霍格沃茨一片混乱。
- There is more trouble on the way for Lincoln County, Missouri. 去密苏里得林肯县的路又有更多的麻烦了。
