He is knowledgeable of basketball rules.
他精通篮球规则。
Time and space are two importance factors in basketball rules.
时间与空间是篮球规则的两个重要因素。
These rules of playing basketball are basic.
篮球规则是基本的。
These rules of playing basketball are basic.
这些篮球规则是基本的。
These are the basic rules of playing basketball.
这些是篮球的基本规则。
These are the basic rules of playing basketball.
这些是篮球的基本规则。
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