hard t____has led Liu Xiang to be one of the best hurdler in the world

问题描述:

hard t____has led Liu Xiang to be one of the best hurdler in the world

training 训练
老师祝你学习进步!
望采纳,多谢!^_^

training训练

training 训练

hard training____has led Liu Xiang to be one of the best hurdler in the world