guaranteedadj.保证的；担保的动词guarantee的过去式和过去分词.guaranteen.保证；保证书；担保；担保人；抵押品vt.保证；担保guarantee of shipper货主保证guaranteed mortality最高死亡率guarantee efficiency保证效率guaranteed mechanism保障机制guarantee commission[经] 保证手续费guaranteed time slot有保证时隙guarantee of freight[经] 运费保证guarantee of payment付款保证guarantee investment担保投资guaranteed bandwidth承诺带宽

1. The camera is guaranteed for twelve months.
   这架相机保用一年。