It disappeared for a short time, but burst forth again as a whole section of the bookcase revolved on a picot and disclosed a large opening like a vault.

它消失了一小会儿，但又爆发了，整个书柜的一整节都在一个圆点上旋转，露出一个像金库一样的大开口。

It opened, but Devanne fell from the ladder, for the entire section of the bookcase, lying between the first and last letters of the words, turned on a picot and disclosed the subterranean passage.

它打开了，但德瓦妮从梯子上掉了下来， 因为书柜的整个部分， 位于单词的第一个和最后一个字母之间， 打开了一个皮科特， 露出了地下通道。