marathon
🇺🇸
/ˈmærəθɑːn/
🇬🇧
/ˈmærəθən/
very long and tiring
She finished the book in one marathon reading session.
她一口气完成了这本书的马拉松式阅读。
a very long running race of 42 kilometers
He trained for months to run the marathon.
他训练了几个月来跑马拉松。
any very long and difficult activity
The exam felt like a mental marathon.
这场考试感觉像一场精神马拉松。