小红的妈妈把刚买回来的成块的砂糖放进一个瓶(pínɡ)子里,搁在橱柜(chúɡuì)上,以便随(suí)时取用。小红问妈妈,为什么不把砂糖放在冰箱(xiānɡ)里,防止砂糖发霉(méi)变质呢?妈妈告诉小红四个答案,让她自己琢磨(zuó mo)。你知道哪个答 The little red mother puts the lump of sugar she has just bought in a bottle and rests on a cupboard so that she can take it with her. Little Red asked Mom, why not put the sugar in the refrigerator to prevent moldy brown sugar (méi) deterioration? Mom told the red four answers, let her pondering (zuó mo). Which one do you know?