| 单词 | sit/stand bolt upright |
| 释义 | sit/stand bolt upright sit/stand bolt upright → sit/stand bolt upright at bolt3(1) to sit or stand with your back very straight, often because something has frightened yousit/stand bolt upright |
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英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。