marathon /ˈmærəθən/ CET6+ TEM4

• 1. 

  N-COUNT A marathon is a race in which people run a distance of 26 miles, which is about 42 km. 马拉松赛跑

  例：

  ...running in his first marathon.

  …正在跑他的第一次马拉松比赛。

• 2. 

  ADJ If you use marathon to describe an event or task, you are emphasizing that it takes a long time and is very tiring. 漫长而累人的 [ADJ n] [强调]

  例：

  People make marathon journeys to buy glass here.

  人们经过漫长而艰辛的旅途到这儿来买玻璃。