形容词性物主代词起形容词的作用，用在名词前，意为“……的”。

We use possessive adjectives and pronouns to express the idea of belonging.

youdao

这个操作符的作用和AND差不多，但它只对紧跟着它的一个搜索词起作用。

The function of this operator is similar to the AND operator, but it only applies to the word immediately following it.

youdao

布尔操作用于搜索词的合并(AND)、分离(OR)和排斥(NOT)。

Boolean operations for conjunction (and), disjunction (or), and exclusion (NOT) of search terms.

youdao