third floor的用法和样例：
例句
- There are some vacant offices on the third floor.
四楼有几间空著的办公室。 - Forced to reveal the truth at last, Rochester takes Jane to the forbidden chamber on the third floor where Jane sees a hideous creature, crawling on all fours in her madness.
罗切斯特最终被迫吐露真情，他把简带到三楼的那间禁室，简看见一个丑陋可怕的女人，正疯疯癫癫地用四肢在地上爬行。 - How was it possible to fall down from the third floor without being hurt?
从三楼掉下而没有受伤，这怎么可能呢？
