Lung cancer has what symptom, have adumbrate?

肺癌有哪些症状，有预兆吗？

Hobhouse had already adumbrated the idea of a welfare state.

霍布豪斯已经简略地介绍了福利国家这一概念。

The recent development adumbrate a world-wide revolution in computer technology.

最新事态的发展预示着一场全球性的计算机技术革命。