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diaphragm
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diaphragm
膈膜,光圈
来自希腊语diaphragma, 阻挡,障碍,来自dia-, 穿过;-phrag, 阻挡,词源同cataphract。原指分开喉咙和腹腔之间的肌肉,后也用于指照机的光圈等。
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更新时间:2026/7/9 16:13:40