简单释义：

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adj. 可供替代的；非传统的；另类的

n. 可供选择的事物

网络 替换物；非主流；两者挑一的

变形：

复数：alternatives  

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完整释义：

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n.

1.办法,出路,情况,方案,选择方案
2.选择,他途,别的出路,旁的选择,选择余地;二者取舍,两者必居其一,二者之间的抉择
3.〔计〕选择对象,选择元;〔数〕互斥性
4.二者之一,二中选一;交替;可采用的方法;替换物
5.另一个
6.代用品,代替手段,变通的办法,代替方法
7.比较方案
8.锎作为镭的替换物
9.变形
10.迭更物

adj.

1.任一的;不同的;可供选择的,两种可任意选择的
2.替代的
3.非传统[正统]的,另类的
4.随便一个的,二中择一的,交替的
5.交替性的
6.取代,代替,代用
7.两者选一的
8.替换的
9.比较的
10.迭更的

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例句：

1. But the nuclear industry needs to do more than build a few plants a year to be a true low-carbon alternative to fossil fuels.
   但是，要想成为真正的低碳的化石能源替代品，核能行业必须在建造核电站以外做更多的工作。

2. Of course, the alternative, forcing Qaddafi out of power, is fraught with its own problems and complications.
   当然，作为另外一种选择，强迫卡扎非下台这样的做法也充满了许多问题和复杂的情况。

3. Eg. I'm afraid if this noise goes on, I shall have no alternative but to call the police.
   如果吵闹声继续下去，我恐怕就只好叫警察了。

4. XSLT was not designed as a generic querying language, even though it has often been used as one for lack of a better alternative.
   XSLT旨在作为一种通用查询语言，尽管它总是在没有更好选择的情况下被使用。

5. So it's worth considering an alternative trajectory for the U. S. and China as another meltdown seems to be unfolding.
   看起来另一场衰退即将到来，所以有必要为中国和美国另谋发展良策。

6. You can also spend a week, month, or even a whole summer volunteering through a structured internship or "alternative spring break" program.
   你也可以用一周、一个月或整个夏季的时间在有组织的实习活动或“可选择性春休”项目中进行志愿者服务。

7. His second letter of the day asked him why he never recommended Linux as an alternative operating system.
   那天他回答的第二封信是问他为什么从来没有推荐过Linux操作系统。

8. Cutting your losses is often better than the alternative.
   45.减少损失比找寻替代要好。