| 释义 |
Mountain Daylight TimeBrE /ˌmaʊntən ˈdeɪlaɪt taɪm/NAmE /ˌmaʊntn ˈdeɪlaɪt taɪm/ noun [U] (abbreviation MDT) the time used in summer in parts of the US and Canada near the Rocky Mountains that is six hours behind UTC 山区夏令时间（美国和加拿大落基山脉地区的夏季时间，比协调世界时晚六小时） |