baroscope
  氣壓計的一種
  baro·scope /ˈbærəˌskop/ 名詞
  驗壓器
  Bar·o·scope n.  Any instrument showing the changes in the weight of the atmosphere; also, less appropriately, any instrument that indicates or foreshadows changes of the weather, as a deep vial of liquid holding in suspension some substance which rises and falls with atmospheric changes.
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