橘子朗文词典

semi-perimeter

S 开头单词

基本解释

  • 半周長

同根派生

     

英汉例句

  • Guards patrolled the perimeter of the airfield.
    衛兵沿機場四周巡邏。
  • semi perimeter
    n. 半周長
  • The perimeter of the airfield is protected by guard-dogs.
    機場外的環形防衛圈由警犬保衛著。
  • The barbed wire fence round the perimeter discouraged intruders.
    周圍有鉄絲網阻止了外人闖入。
  • Guards had been posted at several points around the perimeter.
    在環形防線上已佈置了幾処崗哨。