He had smoked for so many years that his teeth were permanently stained yellow.

他吸了那么多年烟，牙齿都被永久地熏黄了。

youdao

The apoptotic cells were TUNEL positive in light microscopy, and the apoptotic nuclei were stained yellow brown and dark brown, which varied in size and shape from cell to cell;

光镜下凋亡的肿瘤细胞呈TUNEL阳性，细胞核染成棕黄色或深棕色，大小不等，形态也不一；

youdao

They were stained a different color every few weeks-blue, yellow, green, sometimes a dream-snarled purple.

他们每过几星期就染上一种不同的颜色——蓝色、黄色、绿色，有时是一种梦幻的紫色。

youdao

Their bodies,burned by the sun and stained yellow from the raft dye, had winnowed down to skeletons.

VOA: special.2011.05.04

We followed the Geyser River toward the vaulting spouts and red-yellow soils of the great Stained Glass geysers.

BBC: Five days in Russia's Ring of Fire

The church itself stands yellow and white in the midst of this red-stained town.

BBC: Villagers despair in Hungary's red wasteland