Let x be the sum of a and b.

设x为a加b之和。

《牛津词典》

In English, "a" and "an" are called the indefinite article, and "the" is called the definite article.

在英语中，“a”和“an”被称为不定冠词，“the”被称为定冠词。

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Therefore the regular expression A*B will match the strings AB, AAB, AAAB, or any other string starting with an A and ending with a single B.

因此，正则表达式 A*B 将与字符串 AB 、 AAB 、 AAAB 或任何其它以 A 开头并以单个 B 为结尾的字符串相匹配。

youdao

"They are small,round doughnuts, they're served in a Chinese take-out box and they're coated in a cinnamon and five-spice sugar.

VOA: special.2010.04.12

false It's going to return true if it's a PAIL-indrome and false if it's a PAL-indrome. And it says true. Now maybe you're bugged by this.

如果不是会问的话则是,返回的是真值,那么你可能会觉得这个很烦。

麻省理工公开课 - 计算机科学及编程导论课程节选

instead, he threw in a six-week-old puppy and said "keep it!" and ran away. So I got a puppy.

但他却扔进来了一只六个月大的小狗，说“养它吧！”然后跑掉了。于是我有了一只小狗。

大城市是否危险？ - SpeakingMax英语口语达人