格林尼治标准时间 gélínnízhìbiāozhǔnshíjiān Greenwich Mean Time Definitions Defs Origin Strokes Stroke Words Sentences Sents 格林尼治 gélínnízhì Greenwich Greenwich, London; often refers specifically to the site of the Royal Observatory or 格林尼治标准时间 gélínnízhìbiāozhǔnshíjiān标准时间 標準時間 biāozhǔnshíjiān noun standard time the official local time of a region or country determined by a specific time zone