今天我们要学的词是 daylight saving time. Daylight saving time 夏时制。Daylight saving time officially began this year at 2am on March 12th in the U.S. 3月12号凌晨两点美国今年的夏时制正式开始。For most Americans, daylight saving time means only one thing: losing one hour's sleep. 对于大多数美国人来说，夏时制只意味着一件事情，那就是损失一小时的睡眠时间。好的，我们今天学习的词是 daylight saving time, daylight saving time, daylight saving time...