为什么贪睡键是 9 分钟？ Why is snooze 9 minutes?

9 句 · 程度 A2 · 英文在上、中文在下。

1. Why is the snooze button on old alarm clocks exactly nine minutes?
   为什么旧闹钟的贪睡键刚好是九分钟？
2. Not five, not ten. Just nine.
   不是五分钟，也不是十分钟，就是九分钟。
3. One popular story goes back to old clocks with gears.
   一个流行的说法，要追溯到有齿轮的旧时钟。
4. The gears could not easily count exactly ten minutes.
   齿轮很难刚好算出十分钟。
5. So engineers chose nine. The clock only had to watch the last number.
   所以工程师选了九分钟，时钟只要看最后一个数字就好。
6. And nine minutes is too short to fall back into deep sleep.
   而且九分钟太短，不会再次进入深层睡眠。
7. Here is a small talk line for Monday morning:
   这句闲聊英文很适合星期一早上：
8. I hit snooze three times, so I'm basically twenty-seven minutes late!
   我按了三次贪睡，所以基本上迟到了二十七分钟！
9. Now you say it. How many times do you hit snooze?
   换你说说看。你通常按几次贪睡？

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