1
a binomial is ...
用于定义或描述二项式的基本属性。
A binomial is an algebraic expression with two terms.
二项式是含有两项的代数表达式。
二项式
先理解核心含义，再看它在真实句子里的用法。
二项式
a quantity expressed as a sum or difference of two terms; a polynomial with two terms
A binomial is an algebraic expression with two terms.
二项式是含有两项的代数表达式。
The teacher explained the concept of a binomial to the class.
老师向全班解释了二项式的概念。
In algebra, binomials are polynomials with exactly two terms.
在代数中，二项式是只有两项的多项式。
A binomial can be expanded using the FOIL method.
二项式可以用FOIL方法展开。
用于定义或描述二项式的基本属性。
A binomial is an algebraic expression with two terms.
二项式是含有两项的代数表达式。
数学运算中的常见搭配。
We need to expand the binomial (x+y)^2.
我们需要展开二项式(x+y)^2。
二项式作为定语修饰其他数学术语。
The binomial theorem provides a formula for expanding binomials.
二项式定理给出了展开二项式的公式。
Not this
We studied several binomial.
Use this
We studied several binomials.
中文中名词通常没有复数变化，学习者可能忘记在英语中给可数名词加复数后缀 '-s'。Binomial 是可数名词，复数形式为 binomials。
Not this
An binomial is a polynomial with two terms.
Use this
A binomial is a polynomial with two terms.
英语中不定冠词取决于其后单词的首音素。Binomial 以辅音 /b/ 开头，应用 'a' 而非 'an'。中文无此区别，学习者易混淆。
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT.