a.

1. 可反转的；可逆的；可掉换的；可废弃的；双面可用的

n.

1. 双面布料；正反两用上衣

adj.

1. able to be turned the other way round.
   ▸(of a garment or fabric) faced on both sides so as to be worn or used with either outside.
2. (of the effects of a process or condition) capable of being reversed so that the previous state is restored.