一、A is made of B 用在当你想表达B由A组成时，这种情况代表B仍然是A。 This chair is made of wood.这张椅子由木头制作而成。解析：椅子由木头组成，椅子仍然是木头，这点并没有改变。 The house is made of bricks.此时房子仍然是砖头组成。 解析： 房子由砖头组成，房子仍然是砖头，重点没有改变。 The bags are made of leather.这些包是皮革做的。 The windows are made of glass.窗户是玻璃做的。 The ship is made of iron.这艘船是铁制的。 Chairs are made of wood.椅子是木头做的。 二、A is made from B 用在当你想表达B是由A转变而来，此时B已经不是A，A turned into B。 Cream is made from milk. 霜淇淋由牛奶做成。 解析： 霜淇淋由牛奶製作而成，但霜淇淋已经变成另外一种物品，它已不再是牛奶了。 Wine is made from grapes.葡萄已经由制作变成了红酒。 解析：红酒由葡萄制作而成，但红酒已经变成另外一种物品，它已不再是葡萄了。 The paper is made from wood.纸是用木头做的。 The beer is made from barley and water.啤酒是用大麦和水酿造的。 The box is made from aluminium.这个盒子是铝制的。
