.1. It is outrageous that these buildings remain empty while thousands of people have no homes. Outrageous：粗暴的；可恶的；离谱的Sentence：成千上万的百姓都没有家而这些建筑物却仍然空着，这真是太离谱了。2. My brother was expelled from school for bad behavior.expel：驱逐；除名；开除Sentence：我的弟弟因为行为恶劣而被学校开除了。3. Severe iron deficiency can cause developmental delay and growth retardation.retardation：阻滞，延迟Sentence：严重缺铁可引起发育迟缓和生长阻滞。4. A goal just before half-time rescued the match from mediocrity.mediocrity：平庸之材Sentence：半场结束前的一个进
