罗盘

The compass is an instrument of navigation.

罗盘是导航仪器。

The needle of a compass points to the north.

罗盘指针指向北。

A compass needle always points north.

罗盘指针总是指向北。

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

名例是大草指向植物（罗盘草）。