subprincipal / sʌbˈprɪn sə pəl, ˈsʌbˌprɪn- /

📖毕业后词汇次主线次主楼次主干次主

subprincipal 的定义

n. 名词 noun
  1. an assistant or deputy principal.
  2. Music. a subbass of the open diapason class.