灰狼采阶级式群居，巢区约占10平方公里，大部分在夜晚掠食。

Gray wolves live in hierarchical packs whose territories cover at least 38 sq mi (100 sq km) and hunt mostly at night.

在阶级方面，不同类型的工人之间、以及中上层阶级和下层阶级之间存在着数字鸿沟。

In terms of class, digital divide exists among different types of workers and between the upper and middle classes and the lower class.

在阶级社会中，每一个人都在一定的阶级地位中生活，各种思想无不打上阶级的烙印。

In class society everyone lives as a member of a particularclass, and every kind of thinking, without exception, is stamped with the brand of a class.

前两个阶级提供骑兵，第三阶级提供重装步兵，第四阶级提供不穿甲胄的轻装步兵或在海军中服务，大概还领饷银。

The first two classes provided the cavalry; the third had to serve as heavy infantry; the fourth served either as light infantry without armor or in the fleet for which they probably received wages.

近年来，伦敦中上层阶级的年轻人开始使用一些地方口音，以掩盖他们的阶级出身。

In recent years, young upper middle-class people in London, have begun to adopt some regional accents, in order to hide their class origins.