抽象:advice , information , knowledge , truth , work , capitalism , communism , solialism , happines s物质:water iron air 类别总称:furniture news traffic money food jewelry scenery weather meat bread 学科(—ics):Chinese Eglish math physics chemisty 语言:Chinese English Japanese
前不加a/an 后不加s/es 无复数形式
量化
体现在量词上
a piece of a kind of a bottle of a cup of a glass of