The herd has long since moved on,鹿群早已走远

move on:继续前进；离开

The soldiers shouldered their kit and moved on.

士兵们背起行装，继续前进。

Now let's move on to the next item.

让我们讨论一下吧。

she'll stay to search for her missing calf for days.独自留下来花好几天寻找自己的宝宝

search for:搜寻； 寻找

He searched for work at various stores.

他在各家商店寻找工作。

The reindeer are free from flies for now,驯鹿群暂时逃离了可恶的苍蝇

free from:不受； 免于

He is free from any sense of responsibility.

他丝毫没有责任感。

they will eventually be forced to descend to find new pastures它们迟早要回到山下的草原

be forced to:被迫(不得不)

I was forced to sign the agreement against my will.

我被迫违心地在协议上签了字。

The truck was forced to lie by for repairs.

卡车不得不停下来修理。

descend to:向下延伸到；

The mountain path descends to a small river.

那条山间小路向下延伸到一条小河。