名词

1. 机构；组织
The apparatus of an organization or system is its structure and method of operation.

2. 器械;器具;仪器;设备
Apparatus is the equipment, such as tools and machines, which is used to do a particular job or activity.

1. equipment designed to serve a specific function

Synonym: setup

2. (anatomy) a group of body parts that work together to perform a given function

e.g. the breathing apparatus