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.
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