罗盘

The compass is an instrument of navigation.

盘导航仪器。

The needle of a compass points to the north.

盘的针向北方。

A compass needle always points north.

盘针向北方。

The best-known example is the compass plant of the prairies (Silphium laciniatum).

最著名的例大草原上的向（盘草）。