这将会帮你预测出额外的空间。

This will help calculate the additional space.

youdao

额外的空间可以降低溢出和索引页拆分。

The extra space can reduce overflows and index page splits.

youdao

你所选乘的航空公司没有“额外的空间订购”选择？

No "extra legroom for purchase" option on your airline?

youdao

And as a consequence, access time in the list is constant, which is what I want.

这会占用一些额外的空间，回到问题本身，这么做的话，读取数组的时间就变成常量了。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's which partials are particularly prominent, have extra punch or extra volume to them.

答案是有几个特别突出的泛音,为它们提供了额外的冲击力和空间

耶鲁公开课 - 聆听音乐课程节选