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the fire started in the basement and quickly spread to the f

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/12 21:19:31
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
furniture是不可数名词,equipment 是可数名词
再问: equipment是不可数呀