bolt something on
phrasal verb with bolt verb uk/bəʊlt/ us/boʊlt/
添加；增加
to add an extra part or feature
Other insurers will allow you to bolt on critical illness cover to standard life cover. 其他保险公司允许在标准人寿险承保范围中增加重大疾病。
江苏热线英汉汉英双解词典包含207361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。