seeing语法成分？(seeing的用法)

seeing

['si:iŋ]

n. 看见；视觉；观看；视力

conj. 因为；由于；鉴于

adj. 看见的；有视觉的

v. 看见（see的ing形式)

1.Seeing that nobody was at home, I had to leave.

由于没人在家，我也只好走了。

2.Reading and seeing movies are among my amusements.

阅读和看电影也是我的娱乐“活动”。

3.Seeing smiles and hearing laughter from your friends.

看到朋友的笑脸，听到朋友的笑声