And as they were past they see that a small child has fallen into the pond and is in danger drowning.

这时，你看到,一个小孩掉进了池塘,就要溺水，情况危急。

普林斯顿公开课 - 人性课程节选

And as they were past they see that a small child has fallen into the pond and is in danger drowning.

这时，你看到,一个小孩掉进了池塘,就要溺水，情况危急。

普林斯顿公开课 - 人性课程节选