Cut down on fatty foods and alcohol if you want to lose weightcut down food为什么加S了?

Cut down on fatty foods and alcohol if you want to lose weightcut down food为什么加S了? Cut down on fatty foods and alcohol if you want to lose weight.这句话的主句是省略了什么东西?主句是祈使句吗? cut down cut back on 的区别 cut down,cut down to,cut down on,cut off有什么区别 cut down 与 cut down on 的区别 hold on,take on,fall down,fall off,cut down,cut off, cut down和cut down on 的区别（在线等） cut down后面可以跟doing吗 cut down Cut down cut down ? cut down sth和cut down on sth有什么区别 I was speaking to Anna on the phone when suddenly we were ______.选项: a、cut off b、cut down c、cut back d、cut out he has to ( )on family expenses by more than one thirdA cut up B cut dowm C cut off D cut down Can you help me___the vegetables?A cut down B cut off C cut on D cut up解释这几个词组的意思 及选择理由 cut down的意思 cut down trees at cut down的意思 cut it down是什么意思