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spirometer

英 [spaɪ'rɒmɪtə] 美 [,spaɪ'rɑmətɚ]

n. 呼吸量计，[生理] 肺活量计

英文词源

spirometer (n.): contrivance for measuring lung capacity, 1846, formed irregularly from Latin spirare "to breathe" (see spirit (n.)) + -meter. Related: Spirometry.