spend.on spend.in 与spend.doing的区别

spend.on spend.in 与spend.doing的区别
spend.on spend.in 与spend.doing的区别

spend.on spend.in 与spend.doing的区别
spend / spend; spnd/ v (pt,pp spent / spent; spnt/) [I,Tn,Tn.pr] sth (on/sth) give or pay out (money) for goods,services,etc 用（钱）; 花（钱）:He spends as if he were a millionaire.他用起钱来像个百万富翁似的.* She's spent all her money.她把钱都花光了.* He spends too much (money) on clothes.他在衣着上花费太大.sth (on sth/in doing sth) (a) use (time,etc) for a purpose 花（时间等）:spend a lot of time on a project/(in) explaining a plan 花很多时间进行某项目[解释某方案] * spend one's energy cleaning the place up 用力气把那地方打扫乾净.(b) use sth up; exhaust sth 用完,耗尽（某物）:The blizzard quickly spent itself,ie used up all its force.暴风雪很快就停了下来.* They went on firing until they had spent all their ammunition.他们不停地射击,耗尽了所有的弹药.* I've spent all my energy on this.我对此事已呕尽心血.再不明白查字典.