quantity

　　n.量，數(shù)量; 定量，大批; 數(shù)目; [語音學、韻律學] (指元音或音節(jié)的長短) 音量;

　　[例句]He had quantity and quality!

　　他既有數(shù)量,又有數(shù)量!

　　a large quantity of 和large quantities of的用法區(qū)別

　　quantities of無論修飾可數(shù)還是不可數(shù)名詞、謂語動詞都用復數(shù).

　　例如:

　　Quantities of food (nuts) were on the table.桌子上有許多食品(堅果).

　　a quantity of+可數(shù)名詞復數(shù)、謂語動詞用復數(shù);+不可數(shù)名詞、謂語動詞用單數(shù).即修飾可數(shù)或不可數(shù)名詞均可,作主語時采取就近一致的原則,其謂語動詞通常與短語中of后面的名詞的數(shù)保持一致.