phase [feɪz]

以下由轻松背单词网站提供

n.相位，时期，局面，阶段；vt.逐步执行，实行，按计划进行

any stage in a series of events or in a process of development

The first phase of the project has been completed. 第一期工程已经告一段落。
It was a very important phase of history. 它是一个非常重要的历史阶段。