1
prove a lemma
用于数学或逻辑论证中。
We need to prove this lemma before proceeding.
在继续之前，我们需要证明这个引理。
引理
lemmata — plural of lemma
先理解核心含义，再看它在真实句子里的用法。
引理
a proposition proved or accepted for immediate use in proving another proposition
We need to prove this lemma before proceeding.
在继续之前，我们需要证明这个引理。
常用于数学、逻辑学
A proposition proved or accepted for immediate use in the proof of some other proposition.
The outer shell of a fruit or similar body.
The canonical form of an inflected word; i.e., the form usually found as the headword in a dictionary, such as the nominative singular of a noun, the bare infinitive of a verb, etc.
One of the specialized bracts around the floret in grasses.
The mathematician proved a crucial lemma before tackling the main theorem.
这位数学家在处理主要定理之前证明了一个关键的引理。
In this paper, the author introduces two lemmas to support the argument.
在这篇论文中，作者引入了两个引理来支持论点。
Understanding the lemma is essential for solving the complex equation.
理解这个引理对于解出这个复杂方程至关重要。
用于数学或逻辑论证中。
We need to prove this lemma before proceeding.
在继续之前，我们需要证明这个引理。
用于植物学描述禾本科小花结构。
The lemma of wheat is a protective structure.
小麦的外稃是一种保护结构。
用于词典或注释中指明条目。
You can find the definition under the lemma 'lemma'.
你可以在词目'lemma'下找到定义。
Not this
We need to lemma the theorem.
Use this
We need to prove the lemma before proving the theorem.
将名词 'lemma' 误用作动词。英语中 'lemma' 是名词，意为‘引理’，不能直接作为动词使用。正确的表达应保留其名词形式，并搭配动词如 'prove'。
Not this
There are many lemma in mathematics.
Use this
There are many lemmas in mathematics.
误用可数名词 'lemma' 的单数形式表示复数。英语中可数名词复数需加 -s 或 -es，此处应为 'lemmas'（或 'lemmata'，但 'lemmas' 更常见）。单数 'lemma' 不能与 'many' 搭配。
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Plural: lemmas.
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, WIKTIONARY.