He unbuckled his seat belt.他解开了座椅安全带。
She bent over and unbuckled her sandals.她弯下腰解开了凉鞋搭扣。
英汉双解词典包含368430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。