Category One: People you have a really close relationship with.

第一种：和你有亲密关系的人。

youdao

Category one hurricanes have maximum sustained winds of at least 74 miles per hour. They usually won't cause any real damage to buildings.

一级飓风拥有至少74英里每小时的最高持续风速，通常不会对建筑物造成实质性的破坏。

youdao

At about 60m/s (134mph) it enters Category Four, the strength at which Hurricane Gustav recently hit Cuba before weakening to Category One over the US coast.

风速为60m/s时就成为了四级飓风了，就是减弱为一级飓风过境美国海岸前袭击古巴的古斯塔夫飓风的能量级别。

youdao

The mildest hurricane is called category one.

VOA: special.2010.08.24

I want to talk about certain kinds of monoline insurance companies that-- the biggest--one category is property and casualty.

下面我想分类介绍一下,单线保险公司,最大的一类是财产保险公司

耶鲁公开课 - 金融市场课程节选

Now this is a debate that fits into the same category, as far as I'm concerned, as the one between the elder and the Second Brother.

此争论与，在我看来,与《科玛斯》中兄弟俩的那场争论是同一类的。

耶鲁公开课 - 弥尔顿课程节选

But the category one hurricane missed Tampa, instead making landfall in southern Louisiana on Tuesday evening.

BBC: Mitt Romney becomes Republican presidential nominee

The last category one hurricane to hit the state was Hurricane Bob in 1991.

FORBES: Coastal Mass Next To Batten Down For Hurricane Irene

The Weather Channel meteoroligists are still warning that the Hurricane Irene will hit Massachusestts as a category one.

FORBES: Coastal Mass Next To Batten Down For Hurricane Irene