两个词如果互为逆序，就称它们是『翻转配对』。写一个函数来找一下在这个词汇表中所有这样的词对。 样例代码。
Two words are a "reverse pair" if each is the reverse of the other. Write a program that finds all the reverse pairs in the word list. Solution.
文章以词汇搭配理论为依据，分析了词汇搭配对英语写作的重要性及词汇搭配理论在英语写作教学中的应用。
The present article analyzes the importance of lexical collocation in English writing, and how to apply word collocation theory to English writing teaching accordingly.
让学生在认真观察的基础上，将图中人物与句子连线配对，锻炼他们的阅读能力，拓展他们的词汇量。
Show the pictures of the snack bar. Ask pupils to read sentences and match them to the person in the picture.
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