buttress

这些数据有力地支持了我们的假设。

The data strongly ___buttresses our hypothesis.

古老的城堡墙壁外建有许多石制的扶壁来加固结构。

The ancient castle walls were strengthened with stone ___buttresses to support the structure.

目击证人的证词进一步加强了控方本就有利的案子。

The eyewitness testimony served to ___buttress the prosecution's already strong case.