noun 下载 🔗分享 六分仪，经纬仪 A navigational device for deriving angular distances between objects so as to determine latitude and longitude. Examples : "The old sailor taught us how to use sextants to calculate our ship's position based on the sun and the horizon. " 那位老水手教我们如何使用六分仪这种仪器，通过测量太阳和地平线之间的角度来计算我们船的位置。 nautical device technology sailing 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 六分仪 One sixth of a circle or disc; a sector with an angle of 60°. Examples : "While cutting the pizza, Marco made sure each of the six slices was a perfect sextant of the whole pie, ensuring everyone got an equal share. " 切披萨的时候，马可确保切出的每一块都是整个披萨的完美六分仪，这样才能保证每个人都分到同样大小的一份。 nautical astronomy math device technology science 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 前牙组，牙弓前段. One of six groups of adjacent teeth, excluding the wisdom teeth. The front sextants go from canine to canine, and there are sextants on the right and left of these. See w:Periodontal examination. Examples : "The dentist examined the patient's upper and lower sextants to check for cavities and gum disease. " 牙医检查了病人的上下颌前牙组，以检查是否有蛀牙和牙龈疾病。 medicine anatomy body part number group 与AI对话词汇游戏阅读练习
