forerunning

1.It have no the star's beauty,but can forerun the rays of light.

虽没有繁星的美丽，却能预示光芒！

2.Improvements on the process of light benzol forerunning are described in this paper, Practice shows that these improvements are successful.

介绍馏工艺的生产改进。实践证明，些改进是成功的。