外教讲解地道美语 第187期):夏令时间
2011-08-22来源:和谐英语
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daylight savings time 夏令时间
daylight n.白昼
due to 应为
rotation n. 自转
compensate v. 补偿
convenient adj. 方便的, 合宜的
time zone 时区
go back in time 回到过去的时间