noun 下载 🔗分享 周长，周边。 The sum of the distance of all the lengths of the sides of an object. Examples : "To build a fence around the garden, we need to measure the perimeters of each section to know how much wood to buy. " 为了在花园周围建造围栏，我们需要测量每个区域的周长，才能知道要买多少木材。 math area 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 周长，周边。 The length of such a boundary. Examples : "The farmers measured the perimeters of their fields to know how much fencing to buy. " 农民测量了他们田地的周长，以便知道该买多少栅栏。 math area 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 周界， 边界 The outer limits of an area. Examples : "The soldiers patrolled the perimeters of the base to ensure no one could sneak in. " 士兵们在基地的周界巡逻，以确保没有人能偷偷潜入。 area math property 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 周界，防线。 A fortified strip or boundary usually protecting a military position. Examples : "The soldiers patrolled the perimeters of the base, guarding against enemy attack. " 士兵们在基地的周界防线上巡逻，以防敌人袭击。 military war position 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 视野计 An instrument for determining the extent and shape of the field of vision. Examples : "The eye doctor used perimeters to test how far my side vision extended. " 眼科医生用视野计来测试我的余光能看到多远。 medicine device 与AI对话词汇游戏阅读练习
