• 1. 单数可数名词: singular countable noun | a book
• 2. 用于单数可数名词之前: the
• 3. 后接单数可数名词: every

• 1.通过两个实验论述单数可数名词和复数可数名词的标记性。
  Themarked effects of singular and plural countable nouns are explored by two experiments.
  dict.yoduao.com
• 2.大多数的不可数名词只有单数的形式。
  Most uncountable nouns are only used in the singular.
  dict.yoduao.com
• 3.和不可数名词一起用时可以是单数，和可数名词一起用时可以是复数。
  SOME - can be singular with uncountable nouns or plural with countable nouns.
  dict.yoduao.com

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