semi-perimeter

常見例句

• Guards patrolled the perimeter of the airfield.
  衛(wèi)兵沿機(jī)場(chǎng)四周巡邏。
• semi perimeter
  n. 半周長(zhǎng)
• The perimeter of the airfield is protected by guard-dogs.
  機(jī)場(chǎng)外的環(huán)形防衛(wèi)圈由警犬保衛(wèi)著。
• The barbed wire fence round the perimeter discouraged intruders.
  周圍有鉄絲網(wǎng)阻止了外人闖入。
• Guards had been posted at several points around the perimeter.
  在環(huán)形防線上已佈置了幾処崗哨。
• A fence marked the perimeter of the field.
  一道籬笆標(biāo)明了那塊田地的周界。
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