您要查找的是不是：
- 正在in the process of (doing something or happening)
- 正Chinese 1st month of year
- 衬lining
- 正本original
- 正如be just like
- 内衬inside lining
- 衬板scaleboard
- 正交orthogonality
- 衬底underlay
- 正的plus
- 不正roguery
- 正大honest; upright; aboveboard
- 袖衬bushing
- 正中midst
- 衬砌liner
- 正装formal dress
- 衬胶line with rubber
- 正片positive
- 里衬back lining
- 正向positive direction
