Made from:
◆to talk about how something is manufactured. The original material is transformed into something else and is not recognizable after the process. Its physical appearance is different after a process.
用来谈论某物是如何制造的。加工后，原材料的物理外观发生了变化，无法直接辨认出原材料。
★ Paper is made from trees.
纸是由树制成的。
★ Wine is made from grapes.
葡萄酒是由葡萄制成的。
★ Cream is made from milk.
奶油是由牛奶制成的。
You cannot reverse the process to obtain the original material.
无法通过逆转工序得到原材料。
Made of:
◆ to talk about the basic material or qualities of something. And the raw material used to make the item is still recognizable after the process.
用来谈论某物的基本材料或品质。加工后，用于制造该物品的原材料仍然是可以识别的。
★ Books are made of paper.
书是由纸做的。
★ This house is made of bricks.
这所房子是用砖头做的。
★ Most toys are made of plastic.
大多数玩具是由塑料制成的。
★ My socks are made of pure wool.
我的袜子是用纯羊毛做的。
★ She wore a beautiful necklace made of silver.
她戴着一条漂亮的银项链。
You can reverse the process to see the original material.
可以通过逆转工序来得到原材料。
1. This table is made from trees.
通过桌子我们无法辨认出其原材料是树。
2. This table is made of wood.
通过桌子能看出来原材料是木头。我们把桌子拆掉得到的就是木头。