call in的意思是召集call out的意思是号召两者有什么差别?

call in的意思是召集call out的意思是号召两者有什么差别? call at call in call off call out的用法 The old man ___ his sons and told them to help each other after he died.a.call up b.call in两个都有召集,招来的意思,为什么选择B呢? call-in什么意思? call in是什麽意思 call up call in call on哪一个有呼吁的意思? call up; call in; call on;分别是什意思 英语call的用法当call作光顾,拜访的意思时,call at,call in,call on有什么区别?（最好详细一点, call in call for 的用法区别 call on,call in,call off的区别 CALL是啥意思? call 是啥意思 call的意思? call in call-in at the conference call ,in the conference call,on the conference call 以上哪个是正确的表达? make a telephone call in public 是啥意思 call是打电话的意思,call up也是打电话的意思,为什么多个up