call后面加介词：call for 邀请, 接(人), 呼吁, 要求；call at访问, (火车、船)停靠；call on 拜访，号召；call up 给 ... 打电话 扩展资料I'll call for you at 7 o'clock.我7点钟去接你。

A truck driver used his CB radio to call for help.卡车司机用民用波段无线电呼救。The radio station had an open line on which listeners could call up to discuss various issues.这家电台开放线路，听众可打电话参加各种问题的讨论。

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