Dolphins often jumpt from the sea entertaining the crowds along the way.
Scientists have noticed that dolphins show interest in pregnant human females.
It is not known why this is so,
but one theory suggests that dolphins meet humans rarely. Therefore, they are interested in beings they don't find every day.
Pregant women are more unique sight.
The animal's fascinating natural sonar allows them to detect your state to rather detailed measure.
老师们好!
(a) 从逻辑上来说,是否也可用不定式to entertain...表目的呢?这里的so可否用it来替换?so和it这二者作替代的时候可以互换吗?或者究竟有什么不同呢?
(b) 如何分析理解 to rather detailed measure.?程度还是结果状语呢?