他的主张得到了近期研究的支持。

His claims are ___backed ___up by recent research.

为了支持这一主张，经常引用在孤儿院长大的儿童的案例。

To ___back ___up this claim, the case of children who have grown up in orphanages is often cited.

这一假设得到了实验结果的证实。

The hypothesis is ___backed ___up by experimental results.