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1、eliminate 词形变化: eliminative elimination eliminated eliminated eliminating eliminatesv. 除去，剔除，忽略，淘汰1.Let us eliminate all uncertain on thought.让我们从思想上消除一切疑惑。2.This new process has eliminated the need for checking the products by hand.采用这种新方法无须再用手工检验产品。3.Their team was eliminated in the first round.他们
2、队在第一轮就被淘汰了。eliminate from 从 . 排除,从 .【词义辨析】remove, eliminate, dismiss, expel, remove: 普通用词，不带任何感情色彩。eliminate: 通常指例行的、有步骤地去掉某物或某人。dismiss: 既可指突然地迅速地排除，也可指解雇或开除。expel: 多指强行解除公职或驱出住地。alert 词形变化: alerted alerted alerting alertsadj. 警觉的，灵敏的vt. 使意识到，警惕n. 警戒，警报1.Troops are on the alert against any possible
3、 aggression.军队戒备着可能的来犯。2.The alert leopard went up to a deer quietly.警觉的豹子静悄悄地走近一只鹿。3.Although hes over eighty his mind is still remarkably alert.他虽已年过八十，但头脑仍然十分机敏。4.An alert listener will have noticed the error.耳朵尖的人能听出这个错。【词语用法】常用作定语形容词，如an alert man或his alert attention；作为动词时，alert的宾语后可接that从句。The
4、 villagers alerted the traveller that wolves might come out in the night.on the alert 注意,提防train 词形变化: trainable trainability trained trained training trainsn. 列车，火车，行列，一系列v. 训练，培训，瞄准1.He trained to be a lawyer.他受过做律师的训练。2.The pop star was followed by a train of admirers.那位流行歌曲歌星周围蜂拥著许多歌迷。3.He train
5、ed his binoculars on the distant figures.他把双筒望远镜对准远处的景物。4.The challenger has been training hard for the big fight.这位健将为参加拳击大赛夺魁而进行坚苦的锻炼。6.Every morning he spent two hours training for the race.他每天早晨花两个小时练习赛跑。in train adv. 准备就绪【词义辨析】teach, instruct, educate, coach, train, tutor, teach: 最普通用词，含义广泛。指直接
6、教某人知识或技能等，侧重传播知识和帮助应用知识。instruct: 与teach含义很接近，但语体较正式。指系统、详细、精心地传播知识，侧重教授与指示。educate: 较正式用词，指教育，内容比teach广泛，侧重动机或结果，或对潜在能力的开发。coach: 指对个人或小组等进行辅导、训练或补课。train: 指训练与培养。tutor: 指进行个别教学或课外辅导。while 词形变化: whiled whiled whiling whilesconj. 当 . 的时候，虽然，尽管，然而n. 一段时间，一会儿 v. 消磨1.I lived in a hostel while I was a s
7、tudent.我求学期间住在青年招待所里。2.She worked in a bank for a while before studying law.她学法律之前在银行工作过一段时间。3.While Mary was writing a letter, the children were playing outside.玛丽写信时，孩子们在外面玩耍。while the going is good 乘情况有利时all the while 一直,始终while away the time 消磨时光;消闲make hay while the sun s. vi. 抓紧时机行事the while n
8、. 同时(在那期间)once in a while 偶尔,有时after a while 过一回儿,不久a good while 长久;很久go while the goings good v. 及时离开all this while 这一阵子vibrate 词形变化: vibrated vibrated vibrating vibratesvibrate: 指急速地连续震动，也指钟摆等的来回摆动。vt. (使)振动， (使)摇摆vi. 回响， 颤动1.The rough road made the car vibrate.崎岖不平的道路使车颠簸得很厉害。2.The whole house vi
9、brates whenever a heavy lorry passes.重型卡车一经过，整所房子都震动起来。3.His voice vibrated with passion.他激动得声音发颤。Detect 词形变化: detectable detecter detected detected detecting detectsdetect: 正式用词，强调经过周密观察或研究而有所获得和发现，尤指发现有意隐藏之物。v. 发觉，察觉，探测1.Do I detect a tinge of irony?我觉得这话有点儿像反话吧?2.Do I detect a touch of jaundice (
10、ie a slight hint of jealousy, etc) in that remark?我听出那话里有点儿忌妒之意吧?3.If you read between the lines, you can detect his contrived explanation.在字里行间，你可以看出他牵强的解释。4.They detected no defect in the product.他们没发现产品有任何问题。5.I seemed to detect some anger in his voice.我似乎在他的声音中听出一些怒气。6.Small quantities of poison
11、 were detected in the dead mans stomach.在死者胃中找到了少量的毒药。convert词形变化: converted converted converting convertsconvert: 指进行全部或局部改变以适应新的功能或用途。指信仰或态度时，强调较激烈、大的改变。v. (使)转变，使改变信仰，转化，兑换，换算n. 皈依者，改变信仰的人1.The old barn we bought to convert into flats was practically tumbling down.那个旧谷仓我们买下想改建住房的，实际上已经快塌了。2.The s
12、olar cell can convert the energy of sunlight into electric energy.太阳能电池能把阳光的能量转化为电能。3.My mother has converted to Catholicism.我母亲已转而信仰天主教。4.He is a recent convert to Christianity.他最近改信基督教了。5.Coal can be converted to gas.煤可以转化成煤气。convert into 把 . 转变成convert to vt. 改变为(转换成,兑换为)correlate 词形变化: correlate
13、d correlated correlating correlatesvt. 使相互关联 vi. 关联 n. 相关物1.Research workers find it hard to correlate the two sets of figures.研究人员发现很难使这两组数字互相关连。2.The results of this experiment do not correlate with the results of earlier ones.这次试验的结果与以往试验的结果毫不相干。3.Researchers cannot correlate the two sets of figu
14、res.研究者们看不出这两组数字有什麽联系。4.We can often correlate age with frequency of illness.年龄的大小往往与发病率有关。correlate with 使 . 与 . 发.mount 词形变化: mountable mounter mounted mounted mounting mountsv. 登上，爬上，装上，上升n. 底板，爬上，支架，乘用马n. 山，峰1.He mounted the horse and rode off.他骑上马走了。2.Mount Jolmo Lungma is the highest mountain
15、in the world.珠穆朗玛峰是世界上最高的山峰。mount up 增长,上升 mount guard v. 上岗(执勤)decrease 词形变化: decreasingly decreased decreased decreasing decreasesv. 减少，减小，降低 n. 减少，降低1.There has been a steady decrease in population in this city.这个城市的人口在持续下降。2.They are making further efforts to decrease military spending.他们正在做进一步的努力来减少军费开支。3.His interest in this subject gradually decreases.他对这门学科的兴趣逐渐减退。decrease in vt. 缩小(减少) on the decrease 在减少中incorporate词形变化: incorporable incorporation incorporated incorporated incorporating
