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单词
ˈmass ˌnoun
释义
ˈmass ˌnoun
NOUN
C
LINGUISTICS
a noun such as ‘coffee’ that is usually uncountable but can be used in the plural or with the indefinite article , for example when you are talking about different types of coffee 物质名词（指通常不可数但可以当成复数使用或与不定代词连用的名词，如coffee）