calculus

US /ˈkælkjələs/

UK /ˈkælkjələs/

C1 高級
n. (u.)不可數名詞微積分學 ; 結石
One problem with pleasure calculus is that it is difficult to measure pleasure

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薩爾曼-汗:視頻改變教育 (Salman Khan:Videos change education)

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