adj.改變的；有改變體質(zhì)作用的

n.變質(zhì)劑；體質(zhì)改善方法

No one can alter the fact, ex post facto. 沒有人能在事后改變事實本身。

He's my alter ego, we go everywhere together. 他是我的知己--彼此形影不離。

She had to alter her clothes after losing weight. 她瘦了以後，衣服也得修改了。

But nothing can alter the facts. 但任何東西也改變不了這些事實。

Environment can sometimes alter the rut age of an animal. 有時環(huán)境可以改變動物發(fā)情的年齡。

I'll have to alter the diagram. I've made a mistake. 我得修改圖表。我出了點兒錯。