spread over

传遍, 遍布, 延续, 覆盖

例句与用法：

The plague has spread over many states.

瘟疫在好些个邦传开了。

It consists of a course of studies spread over three years.

它包括许多科目，分在3年中学完。

His interests now spread over several subjects.

他的兴趣现已涉及到好几门学科。

The water spread over the floor.

水流了一地。