Each tape lasts three minutes and costs 36 cents per minute off-peak and 48 cents at all other times.
每盘磁带持续3分钟,非高峰时间每分钟36美分,其他时间48美分。
She listened for a few minutes and each minute she became more and more sure.
她听了几分钟,越来越确定那是哭声。
You will be warned fifteen minutes, five minutes and one minute before the end of the exam.
在考试结束前15分钟、5分钟和1分钟,你将得到提醒。
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