行军床

例句：

1. 1. The soldiers were sleeping onthe camp bed during the night.
   士兵们在夜间睡在帐篷里。
2. 2. Hehad to sleep on thefloor because there was no otherbed available.
   他不得不睡在地上，因为没有其他床可用。
3. 3. The army used touse wooden camp beds for sleeping during thewar.
   军队在战争期间使用木制行军床睡觉。