situationism情境决定行为论situationn.形势；局面；位置；职位；处境；状况Situation Four Correcting Someone纠正别人situation of construction's saltysituation of psychological health心理健康状况Situation Three Proposing a Toast祝酒Situation Three Saying Good-bye说再见situational teaching in chemistry化学情景教学situation and strategy of epidemic流行现状及对策Situation One Asking for Certainty询问是否肯定Situational English for tour guide导游情景英语situation-identification problem情景识别问题