| 释义 |
| | | | | | | | | | the western part of the US during the period of time when towns and cities developed . There was a lot of violence , especially between the new people arriving and the native americans who lived there already . 蛮荒的西部，西大荒（指美国开拓时期的西部。在那一时期，城镇开始发展，出现了许多暴力事件，尤其是新移民和美洲印第安人原住民之间的暴力冲突） | | |