diaphragm

diaphragm

英 ['daɪəfræm]
　　美 ['daɪə'fræm]

n. 隔膜；快門，[攝] 光圈；橫隔膜；隔板

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，後也用於指照機的光圈等。

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.

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

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

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.

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.