81.可取得的,可采用的sthisavailabletosb

    82.average平均的:onaveragenormal正常的,通常指精神,体温正常:normaltemperature

    ordinary普通的,指地位普通ordinarypeople,ordinarymedicine

    usual惯例的,通常的asusual,theusualtime,attheusualplace

    regular有规律的regularcustomer

    common普遍的,大家所共同拥有的commonsense,commonillness

    83.试图避免做某事情trytoavoiddoingsth

    84.意识到beawareof=realize

    85.award动词:授予,给予报酬,名词:奖品awardsbsth=awardsthtosb

    rewardn./v.报答,奖赏rewardsbwithsthforsth

    86.凡是指婴儿和电话用语中都用it

    87.回顾历史lookbackintohistory88.对…是有害的bebadfor…/beharmfulto…/doharmto

    89.非常需要…need/want/requiresthbadly

    90.保持生态平衡keepthebalanceofnature

    91.禁止某人做某事情bansbfromdoingsth=forbidsbtodosth

    92.以…为基础base…on,忙于做某事情bebusyindoingsth,被…覆盖becoveredwith

    93.在海滩上onthebeach,在农场里inthefarm,在操场attheplayground

    在田野里inthefields,

    94.不能忍受某人做某事情can`tbear/standdoingsth,

    不能理解某事情can`tunderstanddoingsth

    95.牢记…bear/keepsthinmind动动脑筋useone`sbrains