Mountain Standard Time

noun

1. 山区冬季时间（美国和加拿大落基山脉地区的冬季时间，比格林尼治平时晚七小时）
   the time used in winter in parts of the US and Canada near the Rocky Mountains that is seven hours behind GMT

1. 7. Alberta is located in the Mountain Standard Time Zone.
   7、阿尔伯达位于山地标准时时区。