高三英语课件：高三英语下学期第十五单元单词.ppt

voluntary adj 志愿的，自愿的， do voluntary work Many social services are still provided by voluntary. Charities rely on voluntary donations. volunteer n (c ) Young Volunteers Community Service Station She is a volunteer to run the Christmas show. annual adj 每年的，年度的 an annual event /festival What’s your annual salary ? acknowledge vt承认，告知已收到，为 表示感谢 acknowledge +sth/ doing sb /sth to be sb as sb that 1.He acknowledged his faults. 2.They acknowledged having been defeated. 3.He acknowledged it to be true. 4.He acknowledges Tom as his heir.(继承人） 5.She acknowledged the gift from her uncle. elder adj年长的， 年龄较大的，年迈有权威的人 my elder sister 1.He is the elder of the two brothers. 2.He is older than I. elderly adj 上了年纪的，过了中年的 He visits an elderly gentleman who lives alone. breathless adj 气喘吁吁的，喘不过气来，令人透不过气来 By the time we got up to the top we were completely breathless . breathless hurry a breathless audience. He was breathless from running. dizzy adj头晕的， a dizzy height / speed 1.They danced in circles until they were dizzy. 2.After another glass of whisky I began to feel dizzy. eyesight n(u) 视力的 have good /bad / poor eyesight weekly adj 每星期的，每周一次的 a weekly visit / magazine yearly / monthly / daily beneficial adj 有益的，有用的 Her summer holiday has had a beneficial effect. be beneficial to +n 对 有益处 1.The fall in prices will be beneficial to small businesses. 2. Potato is beneficial to us because of its high protein. benefit vt对……有利 benefit from 受益，得到好处 1.Rain will benefit its crops. 2.No one will benefit from a war except those who seek to profit by it. straight away立刻地，毫不犹豫地 1.I’ll do it straight away if you are in a hurry . 2. Can you order me a taxi , please ? Straight away , sir. satisfaction n (u ) 满意，满足 She can look back on her career with great satisfaction. get / obtain satisfaction from one’s work satisfactory adj a sati