1、previous

先前的；以前的；早先的

She has a teenage daughter from a previous marriage.

她前一段婚姻有一个十几岁的女儿。

He has no previous convictions.

他没有前科。

上一次的；上一个的

It was a surprisingly dry day after the rain of the previous week.

上星期刚下过雨，天气却出奇地干燥。

He recalled exactly what Bob had told him the previous night.

他清楚记得前一天晚上鲍勃告诉他的话。

2、ultimate

最后的；最终的

He said it is still not possible to predict the ultimate outcome.

他说现在还无法预料最终的结局。

The ultimate aim is to expand the network further.

最终目的是为了进一步拓展该网络。

最根本的；最基础的；最原始的

Plants are the ultimate source of all foodstuffs.

植物是所有食物的最根本来源。

The ultimate cause of what's happened seems to have been the advertising campaign.

出事的最根本原因似乎在于那场广告宣传活动。

极端的；极度的；令人极其不快的

Being removed from his post during operations is the ultimate humiliation for a ship's captain.

在执行任务的过程中被免职，这对一位船长来说是莫大的耻辱。

Treachery was the ultimate sin.

背叛是最不可饶恕的罪孽。