第七十

In a sentence

• 这是第七十次我告诉你这个事情。

  This is the seventieth time I am telling you about this matter.

  Here, '第七十' is used as an ordinal number to indicate sequence.

• 今天是我们公司成立的第七十个周年纪念日。

  Today is the seventieth anniversary of our company's founding.

  In this sentence, '第七十' denotes the specific anniversary year, highlighting its ordinal role associated with time.

• 他是第七十号选手，马上就要开始表演了。

  He is the seventieth participant and is about to start his performance.

  Here, '第七十' specifies the participant's number in sequence, showcasing its ordinal functionality within a competition or event.