compasses construction圆规作图
reduction compasses比例规
triangular compasses三角规
elliptic compasses椭圆规
Liquid compasses充液指南针
circinus compasses圆规座
spherical compasses曲线形两脚规
bearing compasses方位罗盘
drop compasses小圆规
N-COUNT（可数名词） 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. 罗盘
We had to rely on a compass and a lot of luck to get here.
我们只得靠罗盘和很大的运气到达这儿。