pouch holding mandrel

例句：

1. 1. He put his keys in the pocket of his jacket.
   他把钥匙放在夹克的口袋里。
2. 2. The little girl was playing with her pouch full of marbles.
   小女孩正在用她的小口袋里的弹珠玩耍。
3. 3. She carried a small pouch on her shoulder.
   她肩上背着一个小包。