Making some simple alterations to your diet will make you feel fitter.

对你的饮食做一些简单的改变会使你感觉更健康。

Please be so kind as to see to it that all the alterations are made at once!

请注意所有变更必须马上完成！

Make any alterations as you may think fit.

请酌加修改。

They are making some alterations to the house.

他们对这栋房子在做一些改动。

The alterations should give us extra floor space.

这些改动应该使我们有更大的居住面积。