compass
/ˈkʌm.pəs/
名词
（能力、活动、兴趣等的）界限，范围，范畴
The discussion went beyond the compass of my brain.
讨论超出了我的理解能力。
用于在地图上画圆圈或测量距离的V形工具：
You will need sharp scissors, a ruler, and a pair of compasses for making circles.
制作圆圈时您需要尖锐的剪刀、尺子和一对圆规。
指南针，罗盘
The hiker used a compass to find his way through the dense forest.
这位徒步旅行者使用指南针在茂密的森林中找到方向。