Unit 4 Sandstorms in Asia 核心单词1. concernedadj.忧虑的,担心的;有关的,涉及的常用结构:be concerned about/over/for 关心,挂念be concerned with 与……有关,涉及……as far as ...be concerned 就……来说,就……而言I am concerned about my wife’s health.我担心我妻子的健康。Her latest documentary is concerned with youth unemployment.她最近的一部纪录片是关于青年人失业问题的。联想拓展concern n.担忧;关注的事情show/express concern about 忙于(某事);关心(某事)concerning prep.关于She looked at my pale face with great concern.她关心地看着我那苍白的脸。Listen!They are saying something concerning you.听着!他们正在说关于你的事呢。2. major adj.(数量,程度,价值)较大的;主要的;主修的the major industry 主要工业联想拓展the major subject 主修课程major v.主修(与 in 连用)The students major in chemistry.这些学生主修化学。majority n. 大多数The majority of students was/were indifferent to the political meeting.大多数学生对政治会议漠不关心。3. complainvi. 抱怨;发牢骚;投诉,控告常用结构:complain to sb. about /of sth.向某人抱怨/投诉/控告某事complain+that clause 抱怨……complain of sth. 诉说(病痛等)I’m going to complain to the manager about the quality of the MP4.我打算向经理投诉 MP4 的质量问题。They complained that the price of books had increased.他们抱怨书价上涨了。联想拓展用心 爱心 专心complaint n.抱怨,不满,牢骚make a complaint about /of doing sth.抱怨/诉说某事/做某事The patient is making a complaint to the doctor of his bad headache. 病人正在向医生诉说他的头痛。重点短语4. be caught in 意为“被……困住;遭遇……”,其后接表示恶劣天气的名词,如:bad weather/heavy fog/snowstorm/storm/hurricane 等。It was a miracle that the little boy, who was caught in the tsunami, survived in the disaster.那个小男孩竟然在海啸中幸存了下来,真是个奇迹。I was caught in the rain.我被雨淋了。联想拓展catch vt.捉住;逮住;钩住;截住;赶...