conj.由于；因为
n.视觉
动词see的现在分词.
Seeing that it's raining hard,the fete will probably be cancelled. 因为雨下得很大，游园会很可能被取消。
Color as a result of seeing is supposed to be felt the same to people all over the world. 颜色作为一种视觉效果,人们对它的感知应该是一致的。
