准时 zhǔnshí HSK4 punctual Definitions Defs Origin Strokes Stroke Words Sentences Sents 标准时 biāozhǔnshí standard time 格林威治标准时间 Gélínwēizhì Biāozhǔn Shíjiān Greenwich Mean Time Greenwich Mean Time (GMT)格林尼治标准时间 Gélínnízhì Biāozhǔn Shíjiān Greenwich Mean Time Greenwich Mean Time (GMT)