shnovial fold

例句：

1. 1. The old book has several snovial folds that are difficult to read.
   这本旧书有几个难以辨认的褶皱。
2. 2. The dress has a snovial fold in the front, which makes it look more elegant.
   这件连衣裙前面有一个褶皱，看起来更优雅。
3. 3.As she walked down the aisle, her skirt had several snovial folds that made her look older.
   当她沿着走道走时，她的裙子有几处褶皱，让她看起来更老。