spare set短语⁵¹⁷⁷⁷ 基本例句 备用机组 I had to call my husband, who drove an hour to bring me my spare set of keys. 我不得不给我丈夫打电话，他驱车一个小时给我送备用钥匙。 yeeyan Outrageously, lenders often demand to keep a spare set of keys, just in case. 那些厚颜无耻的高利贷者为了防止万一，总是要求保留一把贷款人的汽车钥匙。 blog.sina.com.cn