野外的英文：
countryside
undeveloped areas outside the city
wild

参考例句：

A country club
野外俱乐部

Of,relating to,or growing in uncultivated land or open fields.
野外的，乡村的未开垦土地或野外土地的，与之相关的，或生长在其中的

Among these are field techniques, fundamental principles, interpretation techniques, and case history.
这其中包括野外技术、基本原理、解释方法以及勘探史。

I often spend my night outdoor.
我常在野外过夜。

The collecting of sociological or anthropological data in the field.
野外考察野外社会学或人类学事实资料的收集

They went camping in the wilds.
他们到野外宿营去了。

Field strength consisted of two geologists.
野外人员包括两个地质人员。

Are there any good jogging trails?
有什么好的慢跑野外小径?

With the wild-simulated method, seeds are planted thinly in the forest.
模拟野外法，就是将种子稀疏地种在森林。

The students of the geological class will be out on field exploration for the duration of the school year.
地质班的学生将把本学年的全部时间用作野外勘探.

countryside是什么意思：
n. 乡村，农村

range the hills, countryside, etc
漫游山地、 乡村等.

The paths crisscrossed in the fields in the countryside.
乡村的田野里阡陌纵横。

I will stage to the countryside.
我将坐公交车去农村旅行。

undeveloped是什么意思：
a. 未开发的

The conception of the picture is undeveloped.
这幅画的构思不成熟。

So they need a lot of money to occupy the undeveloped market.
他们需要庞大的资金，以占领尚未开拓的领域和市场。

The vast basin of the Amazon River in northern South America.It remains largely unpopulated and undeveloped,especially in the interior.
亚马孙河流域南美洲北部宽广的亚马孙河盆地，大部分地区仍无人居住且尚未被开发，特别是其内陆地区

areas是什么意思：
n. 面积；地区；区域；场地；领域，范围，方面

This is a drainage area.
这里是排水区。

The areas of greater rainfall conform roughly with these forested areas.
降雨量较大地区大致与这些森林地区相符合。

The?penalty area?is the rectangular area in front of the goal.
禁区就是指球门前的矩形区域。