summer time
noun /ˈsʌmə taɪm/
/ˈsʌmər taɪm/
(British English) (North American English daylight saving time)
[uncountable]- the period during which in some countries the clocks are put forward one hour, so that it is light for an extra hour in the evening
Topics Timec2夏令时(有些国家实行夏时制,将时钟拨快一小时,以节约照明能源)