the exhausts had been fitted back to front
排气管前后装倒了
a back-to-front baseball cap.
前后颠倒的棒球帽。
See main entry:back
英汉双解词典包含131075条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。