noun 下载 🔗分享 天花板，顶棚。 The overhead closure of a room. Examples : "the dining room had an ornate ceiling" 餐厅的顶棚装饰得很华丽。 architecture building part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 上限, 顶峰。 The upper limit of an object or action. Examples : "The company set ceilings on spending for each department to help manage the budget. " 为了更好地管理预算，公司为每个部门设定了支出上限。 property building 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 升限，最高飞行高度 The highest altitude at which an aircraft can safely maintain flight. Examples : "The airplane's ceilings were lowered today due to the storm, meaning it couldn't fly as high. " 由于今天有暴风雨，飞机的升限降低了，这意味着它不能飞那么高了。 technical vehicle military 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 云高，能见云高 The measurement of visible distance from ground or sea level to an overcast cloud cover; under a clear sky, the ceiling measurement is identified as "unlimited." Examples : "The pilot reported a ceiling of 2,000 feet, meaning the plane could safely fly. " 飞行员报告云高两千英尺，这意味着飞机可以安全飞行。 weather nautical space environment 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 向上取整，天花板。 The smallest integer greater than or equal to a given number. Examples : "the ceiling of 4.5 is 5, the ceiling of -4.5 is -4" 4. 5的向上取整是5，也就是它的天花板数是5；-4.5的向上取整是-4，也就是它的天花板数是-4。 math number 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 内舱壁，船内板. The inner planking of a vessel. Examples : "During the ship restoration, the workers carefully replaced the damaged ceilings of the old wooden hull. " 在船只修复期间，工人们小心地更换了旧木船体上损坏的内舱壁/船内板。 nautical sailing building architecture 与AI对话词汇游戏阅读练习
