李娜17岁时就已经是一名职业运动员，在国家队进行专业训练。

At the age of 17, Li went professional and began training in the state sports system.

youdao

李娜17岁时就已经是一名职业运动员，在国家队进行专业训练。

At the age of 17, Li went professional and began training in the state sports system.

youdao