swager for seamless shell

例句：

1. 1. She has a sewing machine inher room.
   她房间里有一台缝纫机。
2. 2. The seamstress carefully stitchedthe dress together.
   那位裁缝仔细地将裙子缝合在一起。
3. 3. She sewed the patchonto the torn shirt.
   她把补丁缝在了破衬衫上。