0 to leave a (permanent) dirty mark or coloured/colored patch on eg a fabric -- gây vết, làm biến màu
1 to become marked in this way -- trở nên đổi màu, trở nên vấy bẩn
Silk stains easily.
2 to dye or colour/color (eg wood) -- nhuộm, làm cho có màu
3 a dirty mark on a fabric etc that is difficult or impossible to remove -- sự biến màu, chất nhuộm, vết bẩn
There is not the slightest stain upon her reputation.
His overall was covered with paint-stains
Between 30 and 60 min we frequently observed parasites having surface patches on the schistosomulum body but with little or no staining on the anterior.
Distribution and morphology of human cone photoreceptors stained with anti-blue opsin.
There is no difference in staining pattern in regard to the subtypes of the rhabdomyosarcomas, namely embryonal or alveolar subtypes.
Sections (6 m) were cut from both faces of bisected tissues and stained with hematoxylin and eosin.
Serial sagittal sections passing through the optic nerve were collected, stained with hematoxylin and eosin, and analyzed for pathologic changes.
Nerves estimated to contain greater than 25 dark staining axons per section but still maintaining a significant portion of live axons were rated as moderate.
The sections were stained with antibodies for those two antigens.
We found minor differences in the staining pattern between methanol and paraformaldehyde fixed cells, but immuno-labeled nuclear structures were visible regardless of fixation.