rack time

名词 n.
中文释义

英文释义

名词 n.
  1. Any amount of free time to sleep or rest. informal,uncountable
    — After fifty-two hours awake, it sure will feel good to get some rack time!

词源

Most probably coined in the military. Compare rack, a nautical term for a bunk bed.
0 次浏览 数据来源: Wiktionary