Yahoo香港字典 搜尋

登入
  1. 更多

搜尋結果

  1. Oxford American Dictionary

    safety valve

    • IPA[ˈsāftē ˌvalv]

    美式

    • n.
      a valve opening automatically to relieve excessive pressure, especially in a boiler.；a means of giving harmless vent to feelings of tension or stress

    • noun: safety valve, plural noun: safety valves

    • 釋義

    名詞

    • 1. a valve opening automatically to relieve excessive pressure, especially in a boiler.
    • ▪ a means of giving harmless vent to feelings of tension or stress laughter may be a safety valve that reduces tension