今天我们要学的词组是call for。Call for的意思是号召、要求。比如布什总统呼吁国际社会支持防治疟疾，"President Bush called for international support for the fight against malaria."

联合国要求亚洲各国对禽流感提高警惕，"The U.N. urged Asian countries to be on heightened alert for a new breakout of bird flu." 中国和俄罗斯呼吁和平解决伊朗问题，"China and Russia called for peaceful solutions in Iran" 今天我们学习的词组是call for...