1. The alterations to your coat will take a week.
    你的外衣改一改要花一个星期。

2. My mother had to make some alterations in her new dress.
    我母亲得替她的新衣服作些修改。

1.

1. 改变：12、既然已经选择和他共度人生,就不要幻想改变(alteration)他,能改变的只有自己. 教育是徒劳的,感化是可行的. 如果还是不行,在和他闹翻前准备好退路. 女人喜欢男人,这八成是错不了的,但女人永远不满意男人,这却是百分之百千真万确的.

2. 变质：炎症的基本病理变化包括变质(alteration)、渗出(exudation)和增生(proliferation). 在炎症过程中它们以一定的先后顺序发生,一般病变的早期以变质和渗出为主,病变的后期以增生为主. 但变质、渗出和增生是相互联系的. 一般说来变质是损伤性过程,

1. 改变；变更
    An alteration is a change in or to something.

alteration的近义词

    e.g. Making some simple alterations to your diet will make you feel fitter...
           对日常饮食做些简单的调整就会让你身体更健康。
    e.g. The structural alterations made to the house were planned with Gail''s help.
           对房屋结构调整的规划是在盖尔的帮助下完成的。

2. 更改；改动
    The alteration of something is the process of changing it.

    e.g. Her jacket was at the boutique waiting for alteration.
           她的短上衣放在时装店里，要做些改动。

1. the act of making something different (as e.g. the size of a garment)

    Synonym: modificationadjustment

2. the act of revising or altering (involving reconsideration and modification)

    e.g. it would require a drastic revision of his opinion

    Synonym: revision

3. an event that occurs when something passes from one state or phase to another

    e.g. the change was intended to increase sales
           this storm is certainly a change for the worse
           the neighborhood had undergone few modifications since his last visit years ago

    Synonym: changemodification