warning device

英 [ˈwɔːnɪŋ dɪˈvaɪs]

美 [ˈwɔːrnɪŋ dɪˈvaɪs]

警告装置；报警装置

化学

英英释义

noun

• a device that signals the occurrence of some undesirable event
  Synonym:alarmalarm system

双语例句