一日一词：call有几种意思

call v. 拜访, 光顾

① vt.&vi. 叫，喊

I heard someone calling.

call out =shout 大声喊

② vt. 呼唤，召唤

Lucy is sick. Please call a doctor.

③ vi. 访问，拜访；（车、船等）停靠

Amy called (at our house) yesterday.

The train calls at large stations only. 这列火车只停大站。

★call on sb.　拜访某人

I will call on you. 我要去你家。

★call at+地点＝visit someplace　拜访某地

I will call at your home. 我要去你家。

④ vt.&vi. 打电话

★call sb =call up sb. 给某人打电话

★call back 回某人电话

Can you take a message for me? =Can you tell him to call back?

★call in sb. 招集和邀请某人

For the project, the government called in a lot of experts.