operate as somethingPURPOSEto have a particular purpose 起…作用,作…用 The foam operates as a very effective filter. 这些泡沫材料能起到很有效的过滤作用。
The car’s service manual is designed to operate as a guide for owners. 汽车的维护手册被设计成具有用户指南的功能。
→ operate as something at operate(1)