8BUnit6 知识点归纳1。 train a。动词“锻炼，训练,培养" e。g.①He is training to be a doctor. ②The dog is trained in helping blind man. b.名词“火车,列车”e。g。 I got up so late that I didn’t catch the train this morning。 c。有关短语:be trained in 在…方面接受训练 train as +某身份 为成为….而训练 train for 为….而训练 go into training 从事锻炼;参与训练train oneself 训练自己 It’s necessary that you train yourself before the walkHe trained as a teacher two years ago. d。training n。训练,培训 a training center 训练中心，培训中心 trainer n.教练,驯兽师辨析：train，drill， exercise， practiceTrain 用于思想人格方面的训练 Drill 常用于技术方面的训练Exercise 锻炼心智和体力的训练 Practice 指不停反复的“实践"2。 It’s meaningful to do sth. meaningful adj.故意义的 meaningless adj.没故意义的 meaning n。意思,含义,意义e.g。 Do you know the meaning of this word? It’s meaningful to donate money to Project Hope.Mean a。吝啬的，小气的；刻薄的［（+about/over/with）］Don't be so mean to your little brother！ Her husband is very mean about money.b.意思是;打算；意味I mean to call on you tomorrow。 What does this word mean？ Becoming a millionaire didn’t mean an end to his money worries.c。有关短语：mean to do sth 打算做某事 mean doing sth 意味着做某事be mean about /over/with sth 在某方面小气3。 need a。行为动词“需要",一般不用进行时，可用句型： ① need sth e。g. I need a cup of tea. ② need (sb） to do sth e.g。 I need you to clean the classroom。 ③ sth need doing= sth need to be done e.g。 The classroom needs cleaning.=The classroom needs to be cleaned. b.情态动词，无人称或数的变化，多用于否认句和疑问句。变疑问句时,直接把 need 提前，变否认句用 need not 或 needn’t.Need I hand in my homework now? We need not pay for the drinks. They are free. c。 need n.需...
