dateline

• 名词，有两个主要含义：(1) 国际日期变更线，即地球表面大致沿180度经线的一条假想线，跨越此线日期会改变一天；(2) 新闻文章开头标注日期和发稿地点的行。

A noun with two distinct meanings: (1) an imaginary line on the Earth's surface, roughly following the 180th meridian, where the date changes by one day; (2) a line at the beginning of a news article indicating the date and place of origin of the dispatch.

1. International Date LineB2formal

   An imaginary line on the Earth's surface, roughly following the 180th meridian, where the date changes by one day when crossed.

   国际日期变更线

   • When crossing the dateline from east to west, you lose a day.
   • The dateline is not a straight line but zigzags to avoid landmasses.
   • Travelers often get confused by the dateline when flying across the Pacific.

   同义词date lineinternational date line

2. News article lineB2formal

   A line at the beginning of a news article that indicates the date and location where the story was written or originated.

   电头

   • The dateline of the article read 'London, 15 March'.
   • Journalists always include a dateline to show where the report was filed.
   • The dateline helps readers understand the context of the news.

• 动词，指在文件、文章或报道上标注日期和发源地（或地点）。

A verb used to indicate the act of marking a document, article, or broadcast with a date and location of origin.

1. Mark with a date and placeB2formal

   To indicate the date and location of an event, typically in a news article or document.

   标注日期和地点

   • The journalist datelined the article from Paris.
   • The report was datelined New York, 15 March.
   • He carefully datelined each entry in his travel journal.