名词

1.[U, sing] [~ (against sth)]保险（契约）

2.不可数名词：保险业

3.不可数名词：保险费

4.[C,U][~ (against sth)]保险措施，（预防损失、失败等的）安全保障

英语解释

written contract or certificate of insurance

promise of reimbursement in the case of loss; paid to people or companies so concerned about hazards that they have made prepayments to an insurance company

protection against future loss