guard vacuum

  1. 防护真空;保护真空装置

网络词典

guard vacuum

英 gɑːd 美 ɡɑːrd
动词中文翻译 中文翻译:守卫
同义词: ['protect', 'guard against', 'defend']

例句:

  1. 1.The soldiers were guarding the border with vigilance.
    士兵们警惕地守卫着边境。
  2. 2.The policeman was guarding the entrance of the building.
    警察站在大楼入口处进行警戒。
  3. 3. The guards were posted at every corner to prevent any intruders.
    警卫在每个角落站岗,以防任何入侵者。