Close to的意思是“在……附近”、“靠近”。

Your house is close to the metro station.

你的房子在地铁站附近。

They are sitting close to each other.

他们挨着坐。

Close to也可指关系友善、亲密。

She is very close to her older sister.

她和姐姐的关系很亲。

Close to当副词用时，意为“几乎”。

I wrote close to fifty invitations this morning.

今天早晨我写了近五十封请柬