swim是原型,swimming是动名词或现代分词.
例:I can swim.
I swim everyday.
I like swimming.
Shall we go swimming?
I have been swimming since I was ten.
Swimming is a kind of interesting sports.
swim是原型,swimming是动名词或现代分词.
例:I can swim.
I swim everyday.
I like swimming.
Shall we go swimming?
I have been swimming since I was ten.
Swimming is a kind of interesting sports.