2、ebasedon基于,以.......为依据eg:Thisnovelisbasedontheauthor'sreallife.3.lackof的lack是动词eg:Xinjianglacksofwater.alackof的lack是名词ThereisalackofwaterinXinjiang.新疆缺少水.4.robsb of stheg:Thethiefrobbedherofhernecklaceandherhandbag.这个贼抢走了她的项链和手提包。注意:rob(强行夺取)和steal(偷偷地偷取)的用法:robsbofsth;stealsthfromsb.以下