英语翻译3楼走廊上有浓烈的怪气味.公寓大门口的2个饮料机一会儿有电,一会儿没有,电源不稳定.

There is a pungent odor in the third floor hallway.
The two water dispensers located at the apartment entrance do go on and off occasionally,their power supply is irregular and unsteady.