- * pg_catalog.english_stem is the subdictionary (here, a Snowball English stemmer) to use for thesaurus normalization.
english_stem 是用
词典规范化的子词典（这里我们用了一个 Snowball 英语词干）。
- * pg_catalog.english_stem is the subdictionary (here, a Snowball English stemmer) to use for thesaurus normalization.
english_stem 是用词典规范化的子词典（这里我们用了一个 Snowball 英语词干）。
- Specific stop words recognized by the subdictionary cannot be specified;
For example, assuming that a and the are stop words according to the subdictionary: + 被子词典别的特定的屏蔽词是不能声明的；
声明：以上例句、词性分类均
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