/'ɔːltə/ v. 改变，更改，修改
Alter is a verb. It means to change or modify something.
Alter是动词。它的意思是改变或修改某事。
✎"I have altered the deal," the villain said. "Pray I don't alter it further."
“我已经变更了协议，”那恶棍说。“祈祷我不要再改变了。”
✎Bring the dress to a seamstress, and she will alter it for you.
把这件衣服拿给裁缝，她会给你改的。
Sometimes, alter is an adjective, as in the phrase alter ego. In this case, it is a synonym for alternative.
有时候，alter是一个形容词，比如在短语alter ego中，它是alternative的同义词。
✎The superhero had an alter ego as an unassuming journalist.
这位超级英雄还有着作为谦逊的记者的一面。
Altar
/'ɔːltə/ n. 祭坛;圣坛;圣餐台
Altar is a noun. An altar is a structure upon which sacrifices are made. Altars can be shaped like a table, or a simple pile of rocks, or many other shapes. During a wedding ceremony, you lead someone to the altar.
Altar是一个名词。Altar是供人举行祭祀活动的一个摆设。Altars的形状可以像一张桌子，或一堆简单的石头，或许多其他形状。在婚礼上，你把某人带到圣坛前。
✎Lay the boy upon the altar, and we will sacrifice him to the gods.
把孩子放在祭坛上，我们要把他献给神。
✎Families have special places in their homes called altars.
有的家庭在家里还专门设有祭坛。
小窍门
The most important thing you need to remember is that altar is a noun and alter is usually a verb, and occasionally an adjective. The two words are never interchangeable.
你需要记住的最重要的事情是，altar是一个名词，alter是一个动词，偶尔也是一个形容词。这两个词永远不能互换。
You can remember that alter is a verb since both alter and verb are spelled with the letter E.
你可以记住alter是一个动词，因为alter和verb拼写里都有字母E。
