Yahoo奇摩字典 網頁搜尋

登入
  1. 更多

搜尋結果

  1. Oxford American Dictionary

    Valsalva maneuver

    • IPA[valˈsalvə məˌno͞ovər]

    美式

    • n.
      the action of attempting to exhale with the nostrils and mouth, or the glottis, closed. This increases pressure in the middle ear and the chest, as when bracing to lift heavy objects, and is used as a means of equalizing pressure in the ears.

    • noun: Valsalva manoeuvre, plural noun: Valsalva manoeuvres