第1个回答 2012-12-29
我擅长跑步I am good at running.
我擅长跑步I do well in running.
be good at =do well in 擅长
第2个回答 2012-12-29
i am good at running.
i do well in running.
be good at =do well in 擅长本回答被提问者采纳
第3个回答 2012-12-29
My strength is running.
第4个回答 2012-12-29
I'm good at running
I can run very well.