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Here is a handy short list of uncountable nouns (which are always singular) and a few countable nouns that are always plural; both are commonly used in science and medical writing.
只有单数形式或者只有复数形式的名词
这节播客提供了一个简短名单 ，包括不可数名词（只有单数形式）和一些只有复数形式的可数名词。两者都常用于科学和医学写作。