1N-COUNT 指南针;罗盘 A compass is an instrument that you use for finding directions. It has a dial and a magnetic needle that always points to the north. 指南针;罗盘
We had to rely on a compass and a lot of luck to get here.
我们不得不依靠指南针和不错的运气找到这儿来。
2N-PLURAL [oft a pair ofNOUN]圆规Compasses are a hinged V-shaped instrument that you use for drawing circles. 圆规
3N-COUNT [usually singular, with supplement]界限;范围 If something is within the compass of something or someone, it is within their limits or abilities. 界限;范围 [formal]
Within the compass of a normal sized book such a comprehensive survey was not practicable.