0 a device for finding direction with a needle that can move easily and that always points to magnetic north -- 指南針，羅盤
1 a V-shaped device that is used for drawing circles or measuring distances on maps -- 圓規，兩腳規
2 a particular range (of ability, activity, interest, etc.) -- （能力、活動、興趣等的）界限，範圍，範疇
It's a musical instrument made of brass, somewhat like a cornet and with a similar compass. 這是一件黃銅樂器，跟短號有些類似，音域也與之相近。
The discussion went beyond the compass of my brain. 討論超出了我的理解能力。
The only tools for the copying that we can see are a pair of compasses.
In addition to accelerometers, compasses are introduced to the human motion capture system in order to cover joints with more than 2 degrees of freedom.
The arithmetical expression 0.618 is more accurate, but the most accurate way of producing a golden section is to construct it geometrically using compasses.
There were not two; beholder was one with beheld; it was not a vision compassed but a unity apprehended.
They do not have more accurate moral compasses than others and cannot be expected to make better decisions.
Navigating the wards: teaching medical students to use their moral compasses.
You have probably done experiments with iron filings or small compasses to show up the magnetic field of a magnet.
A wireless data acquisition system was developed for this project to integrate a variety of hardware sensing devices: accelerometers, digital compasses, force sensing resistors and switches.
