The Language Points of Unit 21一
interval There is a two hours’ interval to the next train
(间歇)There is an interval of five meters between the posts
(距离)After a years’ interval they met again
n&vHe has a bicycle pump
(气筒) He pumped his car tyres with a pump
(打气)The heart pumps blood around the body
(输送)The lake has been pumped
(抽干)It is difficult to pump facts into tired students
swap I swapped my red scarf (with her) for her blue one
v&n abuse drugs/medicine/one’s power/alcohol/(滥用) abuse sb/animals(虐待) abuse sb(辱骂) alcohol/drug abuse(酗酒,嗜毒) child abuse(虐待儿童) abuse of one’s power4
tolerateI don’t know how you tolerate that noise
She refused to tolerate being called a liar
Few plants will tolerant sudden changes in temperature
seek---sought---sough