学习资料

[意       思]vi.& vt. 变更，更改，改变
[例]  She has altered a great deal since I saw her last year. 她和我去年见到时已改变很多。
vt. 修改
[例]  The tailor altered the jacket to fit me. 裁缝将夹克修改得合我的身。

更多意思

vt.1.  使改变，更改，改动
2.  修改（衣服使更合身）

vi.改变，更改，改动

参考例句

1.	She had to alter her clothes after losing weight.
	她瘦了以后,衣服也得修改了。
2.	He's my alter ego -- we go everywhere together.
	他是我的知己-彼此形影不离。
3.	He remained obdurate, refusing to alter his decision.
	他依然固执己见,拒不改变决定。
4.	This will alter [change] the whole balance of power between the two countries.
	这将改变两国之间的均势。
5.	It is too late to alter the matter now.
	现在要改变这种情况已经太迟了。