metal hole

• 金属背

metal hole的用法和样例：

例句

1. She wore a rigid metal backboard under the back lacing, this was held close to her neck by a wide German silver collar, that had a chain permanently attached.
   在紧缚的束衣下面，她的后背上穿戴着坚硬的金属背板，背板末端，一个德国银项圈锁住她的脖颈，上面永远连着一条锁链。