food 既是可数名词又是不可数名词.
仅仅指"食物、食品"的时候是不可数名词.
例如: We can't live without food and water
强调食物的种类时就是可数名词.
例如: There are all kinds of foods on the table.
food 既是可数名词又是不可数名词.
仅仅指"食物、食品"的时候是不可数名词.
例如: We can't live without food and water
强调食物的种类时就是可数名词.
例如: There are all kinds of foods on the table.