| 单词 | bolt upright |
| 释义 | bolt upright ˌbolt ˈupright adverb ► F0 vertical and very straight: » Suddenly she sat bolt upright as if something had startled her.Thesaurus+: ↑Describing angles, lines and orientations |
| 随便看 |
英语词典包含67674条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。