请输入您要查询的英文单词：
单词
bolt
释义
bolt
3
ADV
/bəʊlt/
PHRASE
-
bolt upright
with your back very straight
（背部）笔直地
Iris sat bolt upright in her seat throughout the interview.
艾里斯整个面试过程中都笔直地坐在座位上。