Frosting is the sweet, spreadable covering on a cake, made from very fine sugar mixed with butter, and often a little milk or flavour. Americans say frosting for this; British people more often say icing, and may keep frosting for a thick, buttery kind.

Frosting它 is the sweet, spreadable covering on a cake是塗在蛋糕上、甜甜的、可以塗抹的一層 made from very fine sugar mixed with butter用非常細的糖和奶油混合而成 and often a little milk or flavour通常還加一點牛奶或香料 Americans say frosting for this美國人這個叫frosting British people英國人 more often say icing比較常說icing and may keep frosting for a thick, buttery kindfrosting則常保留給比較厚、奶油味重的那種

In the kitchen, to frost a cake is to put that covering on. The word comes from frost, because a finished cake can look a little as if overnight cold has left a white coat on it.

In the kitchen在廚房裡 to frost a caketo frost a cake is to put that covering on就是把那層東西塗上去 The word comes from frost這個字來自frost（霜） because a finished cake can look a little as if因為做好的蛋糕看起來有點像 overnight cold has left a white coat on it一夜寒氣在上面留下一層白霜

Though actually, frosting is not the same thing as frost on a window, and it is not the thin, shiny sugar shell on a doughnut — that is more of a glaze. Baker-shop English, informal, very common in American recipes.

Though actually不過其實 frosting is not the same thing as frost on a windowfrosting跟窗戶上結的frost不是同一回事 and it is not the thin, shiny sugar shell on a doughnut也不是甜甜圈上那層薄薄、亮亮的糖殼 that is more of a glaze那個比較算是glaze（糖釉） Baker-shop English這是烘焙店會用的英文 informal很口語 very common in American recipes在美國食譜裡非常常見