helpline

n. 热线服务电话

发音

US /ˈhɛlpˌlaɪn/

词形变化

helplines 复数 helplines

释义与例句

n.
  1. 1.

    A telephone service (or (by extension) one using email, SMS, or the Web) which offers help to those who call, as either a public emergency service or customer service.

    媒体 工程

词源

From help + line.

来源：wiktionary