He's been asked to tell some jokes in his speech but he's got to keep it clean.他被要求在发言中讲些笑话,但是必须说健康的笑话。His speech contained a strong condemnation of last week's bomb attack.他在发言中强烈谴责了上周发生的炸弹袭击事件。In her speech, Bauer proposed major changes in the welfare system.鲍尔在发言中提议对福利制度进行重大改革。