俞敏洪四级词汇词根+联想记忆法(乱序版) 第 46 期:5-4Word List 5-41.indispensable adj.绝对需要的,不可或缺的【记】联想记忆:in+dispcnsable(可有可无的)一不是可有可无的--不可或缺的【例】The Intemet has become an indispensablepart in our life.互联网已经成为我们生活中不可或缺的一部分了。【辨】necessary,essendal,vital, indispensable四个词都有需要的之意。nccessary 指必要的,必需的,句武结构通常为 be necessary for sb. to dosth.;essential 强调本质的,必不可少的,如:Food is essential for life.;indispensable指不可或缺的,暗示没有它会有很严重的后果;vital 程度最深,强调生死攸关的,如:a vital wound。2.ambition n.志向,理想,雄心;野心,奢望【记】词根记忆:amb(四周)囊(走)+tior--四处走--野心【饲】Myambilion is to hold an important job one day.我的目标是将来有一天拥有一份举足轻重的工作。【派】ambitious(adj.有雄心的,野心勃勃的;劲头十足的)3.disguise n./vt.假扮,伪装,掩盖【例】Keep your drsguise,and let no one know who you are.继续伪装,别让人知道你是谁。【用】in disguise 意思是伪装,化装。4.flutter n./v.振翅,拍翼;飘动,摆动;激动,紧张,兴奋【记】和 flatter(v.奉承)一起记【例】Every night I yeam for sleep.I strive for it:yet it jlutters on ahead of me like a curtain.每个夜晚我都渴望睡眠,我努力想要入睡,但睡眠却像一块幕布一样在我头顶晃动不肯落下。(2025)【辨】fluctuate, flutter,swing, vibrate这四个词都有摆动的意思。fluctuate 主要指不规则的上下运动,常用于标准、价格、情绪等的波动,如:Share prices ofien fluctuate wildly.;flutter 主要指鸟、蝴蝶等拍动翅膀;swing 指(吊着或支着的)物体有节奏地来回或前后摆动,或秋千、钟摆等各种悬挂物的摆动,如:swing onersquo;s arms;vibrate 指前后或左右快速地、不断地振动,如:Her lips vibrated.5.condemn v.责备;定罪,判处【记】词根记忆:con+demn(损害;惩处)--给予惩处一定罪,判处【 例 】 New Zealand and Chile have recalled their ambassadors to Paris in protest; Australiacondenued the test; and the U.S.expressed its regret.新西兰和智利...