1.a white crystalline carbohydrate used as a sweetener and preservative
2.an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain
3.informal terms for money
1.sweeten with sugar;
sugar your tea
sugar,原義是糖的意思。韓國一女子