These researches among habilimental hulls and husks, whose human kernels had long ago perished, went on for about half an hour; when the companions were startled by a loud ringing at the front-door bell.

这些对人类内核早已死亡的习惯性外壳和外壳的研究持续了大约半个小时。当同伴们被前门响亮的铃声吓了一跳时。