Unit 5 Working the Land1．devote vt.把……献(给)；把……专用于；专心于→devoted adj.忠诚的；深爱的→devotion n．奉献；忠诚2．short adj.短的；不足的；短期的→shortage n．不足；缺少；短缺→shorten vt.使变短3．character n．性情；(小说、戏剧中的)人物；角色→characteristic n．特征；特点；品质 adj.典型的；独特的4．convention n．常规；习俗；惯例→conventional adj.传统的；习惯的5．assume v．假定；设想→assumption n．假定；设定；(责任的)承担；(权利的)获得6．real adj.真的→really adv.真正地；实际上→reality n．现实；实际情况；事实7．salt n．盐→salty adj.含盐的；咸的1．boost vt.使增长；使兴旺 n．增长；提高；激励①These changes will help to boost food prices. vt . 使增长 ②This has given clothing prices a big boost. n ． 增长 ③This measure will be a great boost to the economy. n ． 激励 2．expand vt.& vi.扩大；增加 vt.扩展；发展(业务)①The ranks of the teachers are constantly expanding.vi . 扩大；增加 ②The merchant wants to expand his business.vt . 扩大 ③The writer expanded his short novel into a long one.vt . 扩展 3．estimate vt.估计；估价；估算 n．估计；估算①The painter's estimate for painting the whole house was 1，000 dollars. n ． 估计；估价 ②This painting is estimated at $200$300.vt . 估价 ③He estimated the speed of the winds from the degree of damage.vt . 估算 4．characteristic n．特征；特点；品质 adj.典型的；独特的①The two species have several characteristics in common.n . 特征；特点 ②I recognized his characteristic walk.adj . 典型的；独特的 ③Independence is the outstanding characteristic of a runner.n . 品质 Words And Phrases devote vt.把……献(给)；把……专用于；专心于(教材 P50)Indeed, his slim but strong body is just like that of millions of Chinese farmers to whom he has devoted his life.事实上，他瘦削但结实的身躯看起来和农民一样，而他为千千万万中国农民奉献了一生。[例 1...
