首頁英語詞典diaphragmdiaphragm的意思

      diaphragm

      英['da??fr?m] 美['da??'fr?m]
      • n. 隔膜;快門,[攝] 光圈;橫隔膜;隔板

      詞態變化


      復數:?diaphragms;

      中文詞源


      diaphragm 膈膜,光圈

      來自希臘語diaphragma,阻擋,障礙,dia-, 穿過,-phrag, 阻擋,詞源同cataphract. 原指分開喉嚨和腹腔之間的肌肉,后也用于指照機的光圈等。

      英文詞源


      diaphragm
      diaphragm: [17] The etymological notion underlying diaphragm is of a sort of ‘fence’ or ‘partition’ within the body. It comes via late Latin diaphragma from Greek diáphragma. This in turn was a derivative of diaphrássein ‘divide off, barricade’, a compound verb formed from the intensive prefix dia- and phrássein ‘fence in, enclose’. Originally in Greek diáphragma was applied to other bodily partitions than that between the thorax and the abdomen – to the septum which divides the two nostrils, for instance.
      diaphragm (n.)
      late 14c., from Late Latin diaphragma, from Greek diaphragma "partition, barrier, muscle which divides the thorax from the abdomen," from diaphrassein "to barricade," from dia- "across" (see dia-) + phrassein "to fence or hedge in." The native word is midriff. Meaning "contraceptive cap" is from 1933.

      雙語例句


      1. The diaphragm vibrates , thus setting the air around it in motion.
      膜片振動,這使得周圍的空氣也動蕩起來.

      來自《現代漢英綜合大詞典》

      2. The diaphragm draws air into the lungs.
      橫膈膜向下運動讓空氣進入肺部.

      來自《簡明英漢詞典》

      3. A portion of the cardia is demonstrated above the diaphragm.
      膈上發現部分賁門.

      來自辭典例句

      4. Gastric distention may also reduce lung volume by elevating the diaphragm.
      胃脹使膈升高也會減少肺的容積.

      來自辭典例句

      5. It was a terylene diaphragm coated with a layer of aluminum.
      它利用一個鍍有鋁層的滌綸膜片.

      來自辭典例句


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