常見例句用作名詞 (n.)Work out how long the perimeter of the playground.請你算一算躰育場的周長是多少米?Guards patrolled the perimeter of the airfield.衛(wèi)兵沿機場四周巡邏。A fence marked the perimeter of the field.一道籬笆標明了那塊田地的周界。The barbed wire fence round the perimeter discouraged intruders.周圍有鉄絲網(wǎng)阻止了外人闖入。Traps for predators were set around the perimeter.四周都挖好了捕捉獵物的陷阱。 返回 perimetrically