The child must move one leg at a tume and both legs must move up each step in order to receive credit for the required number of steps.
大概知道意思，但句子中的receive credit for the required number of steps就不懂了，這字 credit不知怎麼翻？？？
原來是 得分 句子通順了 謝謝你!
Young children will again need to be enticed with strategic placement of toys.
This item is frequently easy to elicit in young children who are crawling in 4 point.