to annul a contract
废除契约
to annul a marriage
宣告婚约无效
to annul all unpleasant memories of his early childhood
抹掉童年的一切不愉快的记忆
abolish
vt.annulled.annuling
英汉双解词典包含483723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。