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1.acquiesce v.同意默许(to agree or consent quietly without protest; consent) 例:Where once the union had acquiesced to the prejudices of its English-speaking members by supporting the imposition of an alien tax on immigrant workers, after 1897 the United Mine Workers made a determined effort to enlist lta¨anS and Slavs in its ranks. 派生词:acquiescence( n.默许 ) 2.acquire v.取得，获得( to come into possession or control of) 词根记忆：ac+quire(追求)一不断追求一获得 例:The United States acquired sovereignty over New Mexico in 1848. 派生词:acquisition(n.获得;采购) 3.acquisition n.获得物( something or someone acquired or gained) 词根记忆:来自acquire(v.获得) 例:One example of social learning js the acquisition of preferences for novel foods. 同根词：acquisitive(a.贪得的；想获得的) 4.acreage n.英亩数( area in acres) 词根记忆:来自 acre(n.英亩) 例:Because of improvements in agricultural technology, the same amount of acreage produces double the number of apples. 5.activate v.使活动，激活( to make sth. active) 词根记忆：act(行动)+ivate(使成为)一使动起来一激活 例:Protein synthesis begins when the gene encoding a protein is activated 派生词:activation(n.活化，激活) | 
