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color stain (igisheva); colour stain (igisheva); color staining (igisheva); colour staining (igisheva) | |||
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such and such discoloration (igisheva); such and such discoloring (igisheva); such and such discolouration (igisheva); such and such discolouring (igisheva) |
появление окраски : 85 phrases in 3 subjects |
Analytical chemistry | 81 |
Chemistry | 2 |
Makarov | 2 |