They were surprised that a child could work out the problem while they themselves couldn't.
他们很奇怪一个小孩能做出那道题，而他们却不能。
They were surprised that a child should work out the problem, while they themselves couldn't.
他们很吃惊一个孩子能把这个题解出来而他们却不能。
They were surprised that a child should work out the problem, while they themselves couldn't.
他们很吃惊一个孩子能把这个题解出来而他们却不能。
应用推荐