He got a part-time job as assistant to Joel Dorn, who had produced popular albums for Bette Midler and Roberta Flack.

维尔纳找到了一份兼职工作，担任乔尔·多恩的助理。乔尔曾为贝特·米德勒和罗伯塔·弗莱克制作过流行专辑。

For a quarter-century, geographer Ronald Dorn of Arizona State University and his students have studied how ants, termites and tree roots affect rock weathering.

亚利桑那州立大学地理学家罗纳德·朵恩和他的学生们25年来一直从事蚂蚁，白蚁及树根对岩石风化影响的研究。