为什么是play with a ball 是play football play ball 和 play with a ball 哪...

play with\u533a\u522b,\u4e0eplay \u662fplay with a ball \u8fd8\u662fplay a ball

play \u662f\u540d\u8bcd,\u53ca\u7269\u52a8\u8bcd,\u548c\u4e0d\u53ca\u7269\u52a8\u8bcd
\u4f5c\u4e3a\u52a8\u8bcd,play \u6709\u4e24\u4e2a\u7528\u6cd5\uff1a
play with sth.\u6bd4\u5982 play with a ball
play sth.\u6bd4\u5982 play computer games ,play hide and seek,play ball
\u6211\u4eec\u8bf4
The cat is playing with a ball
\u6211\u4eec\u4e5f\u8bf4
We didn't play ball yesterday
\u53e6\u5916,play ball \u4f5c\u4e3a\u4fd7\u8bed,\u4e5f\u6709\u201c\u5408\u4f5c\u201d,\u201c\u5e2e\u5fd9\u201d\u4e4b\u610f,\u4f8b\u53e5
You won't play ball with me,I won't play ball with you.

play ball\u5c31\u53ef\u4ee5\u8868\u8ff0\u73a9\u7403\uff0c\u6211\u4eec\u666e\u901a\u8bf4\u6211\u5728\u516c\u56ed\u73a9\u7403\uff0cI play ball in the park.\u8fd9\u4e2a\u662f\u4e00\u822c\u6211\u4eec\u666e\u901a\u8868\u8ff0\u4e00\u4e2a\u7b3c\u7edf\u7684\u610f\u601d\u3002\u50cfplay with a ball,\u8fd9\u79cd\u8981\u770b\u5f53\u65f6\u7684\u8bed\u5883\uff0c\u6bd4\u5982\uff0cI look the boys playing with a ball, \u6216\u8005I watched the cat playing with a ball.\u8fd9\u79cd\u76f8\u5f53\u4e8e\u6709\u4e00\u4e2a\u52a8\u4f5c\u5448\u73b0\u3002

play with a ball 玩球，拿球来玩
play football 踢足球，指按照足球规则在足球场地踢球。

同义替换而言，正如by bus =in a bus一样

前者一般性玩，后者表达打篮球，

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