loop raised fabric

例句：

1. 1. The dogis playing with a big loop of yarn.
   那只狗正在用一条大圈的毛线玩耍。
2. 2. She tied a loop ofstring around her wrist.
   她把一条绳子绕在手腕上打了个结。
3. 3. The loopon the key opens the door.
   钥匙上的环可以打开门。