spreads

例句:

• A crude oil slick quickly spreads out over water.
  原油泄露后的浮油很快在水面上扩散开来。
  
• One of the ways the parasite spreads is through fecal matter.
  寄生虫传播的一种方式是通过排泄物。
  
• This is a prescribed course which spreads over two semesters.
  这是门两个学期学完的必修课.
  
• Then it's retweeted and that just spreads it.
  来自WSJ
• When Tokyo bond traders smell war, spreads widen.
  来自THETIMES
• The virus often spreads when users share needles.
  来自BBC