The standard time in a zone including the easternmost parts of mainland Canada, Puerto Rico, and the Virgin Islands.
('Atlantic Daylight Time' abbreviation 'ADT') Atlantic time during daylight saving, three hours behind GMT.
('Atlantic Standard Time' abbreviation 'AST') standard time based on the mean solar time at longitude 60° W, four hours behind GMT.
('Atlantic Daylight Time''ADT') Atlantic time during daylight savings, three hours behind GMT
('Atlantic Standard Time''AST') standard time based on the mean solar time at the longitude 60° W, four hours behind GMT
英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。