cluster of keys

例句：

1. 1.The hotel had a cluster of keys on the desk.
   酒店桌上有一串钥匙。
2. 2. She found the key to her car in the cluster of keys on the table.
   她在桌上的一串钥匙中找到了她的车钥匙。
3. 3. He carefully placed the keys into the cluster of others on the counter.
   他小心地把钥匙放在柜台上的其他钥匙群中。