1. That simple greeting was the forerunner of today's Valentines Day . 这个简单的问候，是先行者，今天的情人节礼物。
2. Stope optimization technology forerunner, the rational layout of the stope, stope parameter optimization, and upgrading is very important. 优化采场技术先导，合理布置采场，优化采场参数，改造是极为重要的。
3. Own equipments and craft production line of produce of forerunner and perfect of sale network, service system and quality management system. 拥有先进的生产设备和工艺生产线以及完善的销售网络、服务体系和质量管理体系。
英英解释
n.
1. anything that precedes something similar in time
2. a person who goes before or announces the coming of another
3. an indication of the approach of something or someone
