clarify
clarify(阐明,澄清:clarify the rules = 阐明规则;较常用,中等正式)
elucidate
elucidate(阐明,详细说明:elucidate the problem = 阐明问题;比 clarify 更正式学术,强调「详细说明以使人理解」,多用于学术/正式文本)
The spokesperson was asked to clarify the company's policy on data privacy following the recent security breach.
在最近的安全漏洞事件后,发言人被要求阐明公司的数据隐私政策。
The author takes considerable care to elucidate the complex philosophical arguments that underpin the theory.
作者花费相当大的精力阐明支撑该理论的复杂哲学论据。