mat roll

例句：

1. 1. She spreads a matroll on the floor to protect it fromdirt.
   她在地上铺上一张垫子来保护它免受灰尘。
2. 2. The oldman sat on his matroll and enjoyed the warm sun.
   老人坐在他的垫子上，享受着温暖的阳光。
3. 3. The baby was sleeping soundly on her mat roll.
   宝宝在她的垫子上睡得安稳。