arithmetic
/əˈrɪθmətɪk/
noun
标准词条
CET-4
一句话记住
算术;四则运算
释义与例句
noun
算术;四则运算
the branch of mathematics that deals with numbers and calculations such as adding, subtracting, multiplying, and dividing
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Children learn basic arithmetic in primary school.
孩子们在小学学习基础算术。
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I am not very good at mental arithmetic.
我不太擅长心算。
展开其余 1 条例句
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A calculator can help you with simple arithmetic.
计算器可以帮你做简单的算术。
词源与构词
记忆钩子
arith(数)+ metic → 关于数字运算的学问 → 算术
词族与关联词
词族(同一词根派生出的不同词性或形式)
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arithmetical 算术的;关于算术的形容词形式,由 arithmetic 加 -al 构成,更常用作定语。
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arithmetically 用算术方法副词形式,表示“通过算术运算”。
同义词
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calculation 计算;运算calculation 泛指“计算行为或结果”,arithmetic 特指“算术这一学科”。The calculation took him only a few seconds. 他只用了几秒钟就算完了。
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computation 计算;运算computation 较正式,尤指数学或计算机层面的运算,arithmetic 更基础通俗。The computation of taxes is quite complex. 税款的计算相当复杂。
反义词
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geometry 几何学geometry 是数学的另一分支,研究图形与空间,与 arithmetic“算术”相对。She is studying geometry at university. 她在大学学习几何学。
常见搭配
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mental arithmetic 心算She can do complex mental arithmetic very quickly. 她能很快地进行复杂的心算。
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basic arithmetic 基础算术You need to know basic arithmetic before learning algebra. 学代数之前你需要掌握基础算术。
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do arithmetic 做算术The children were doing arithmetic in class. 孩子们在课堂上做算术题。