The anchor on a television or radio programme, especially a news programme, is the person who presents it.
节目主持人
When a boat anchors or when you anchor it, its anchor is dropped into the water in order to make it stay in one place.
抛锚 • We could anchor off the pier. 我们可以在码头抛锚。
In the unstable Middle East, Israel is the one anchor of stability.
在不稳定的中东,以色列就是稳定的支柱。