apparatus /ˌæpəˈrætəs/ noun plural apparatuses or apparatus
plural apparatuses or apparatus
Learner's definition of APPARATUS
1
: a tool or piece of equipment used for specific activities设备;仪器;装置 [count]
[noncount]
2
[count] : the organization or system used for doing or operating something机构;机关 —
usually singular通常用单数