in watertight compartments

例句：

1. 1. The ship's engine room is in a watertight compartment.
   船的引擎室在一个密封的隔间里。
2. 2. Thesafe was in a watertight compartment.
   保险箱在一个密封的隔间里。
3. 3. The scientistsworked in watertight compartments toprotect their experiments.
   科学家们在密封的隔间里工作，以保护他们的实验。