calculus
[ˈkælkjələs]
n.
[医]结石，石，积石，牙垢;
[数]运算，演算，微积分（学）;
例句:
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I'm specializing in differential and integral calculus.
我正专攻微分学和积分学.
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Students should be using calculators until they reach calculus!
来自SA
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All this leads up to the most fundamental of theorems of calculus.
综上所述就导出了微积分学中的最基本的定理.
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After studying differential calculus you will be able to solve these mathematical problems.
学了微积分之后,你们就能够解这些数学题了.
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Shall I explain calculus while I'm at it?
来自SA
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That's the calculus that's going on here.
来自VOA