filling
noun uk/ˈfɪl.ɪŋ/ us/ˈfɪl.ɪŋ/
[ U ]填充物，填料
any material used to fill something
duvets with synthetic filling 用合成填充料填充的被子
[ C or U ]（三明治、蛋糕等的）馅
the layer of food inside a sandwich, cake, etc.
pies with sweet or savoury fillings 甜味或咸味的馅饼
sandwich fillings 三明治馅
[ C ]（补牙的）填料
the artificial substance put into holes in teeth to repair them
filling
adjective uk/ˈfɪl.ɪŋ/ us/ˈfɪl.ɪŋ/
容易填饱肚子的
If food is filling, you feel full after you have eaten only a little of it.