call at到…进行短暂访问He called at Mr. James this afternoon.他今天下午到詹姆斯先生家去拜访了他。call out大声喊叫; 召集; 命令(工人)罢工; 使跃出; 向...挑战; 要求和...决斗 For further details, please call out company.欲知详情，请致电本公司callout loudly, as of names or numbers.把名字或数字大声说出来。Call on和call at的意思一样，都是"拜访""访问"，但call on后接表示人的名词或代词，call at 后接表示地点或场所的
call at 拜访，访问；停靠（车站）Does this ship call at our port?这艘船在我方港口停靠吗？call out 唤起；出动；大声叫唤You must stand up when your name is called out.叫到你的名字时，你必须起立。call on 访问，拜访；号召，请求We call
