adjective · (slang) excellent; superb; (of a person) attractive or hot

这首曲子的节奏感非常正点。

noun · occurring exactly at the top of the hour

收音机每逢正点都会播报新闻。

adverb · (of a train, flight, etc.) on schedule; on time

由于天气晴朗，航班正点起飞了。