the fire started in the basement and quickly spread to the first floor where it destroyed all the furniture and equipmen
问题描述：
the fire started in the basement and quickly spread to the first floor where it destroyed all the furniture and equipments in the lab.
all the furniture and equipments ,为什么equipment 加s
it指什么
答
furniture是不可数名词,equipment 是可数名词equipment是不可数呀