用sentry-box造句子，“sentry-box”造句

They advanced about thirty paces, and then stopped at a small esplanade surrounded with rocks, in which seats had been cut, not unlike sentry-boxes.

Lu Kuang-shih's cubicle, which was not much bigger than a sentry-box, was completely occupied by a corpulent gentleman --it was, as a matter of fact, Wang Hofu--who was using the telephone.