maculate

显微镜下能看见叶片上布满斑点的表面。

Under the microscope, the leaf's surface appeared ___maculate with dark spots.

这幅画因年代久远而污迹斑斑。

The painting had become ___maculate over the centuries of neglect.

尽管他是清白的，那起丑闻仍可能玷污他的声誉。

The scandal could ___maculate his reputation, though he was innocent.