请问这句如何理解 my tongue was busy searching out the hole where the tooth had been?那The tooth had been in the hole呢?

问题描述:

请问这句如何理解 my tongue was busy searching out the hole where the tooth had been?那The tooth had been in the hole呢?

我的舌头忙于寻找被拔牙齿的伤口
后面那句是整个句子吗?