A stain of a contrasting color used to color the components in a microscopic specimen that are not made visible by the principal stain.

对比染色剂，对照染色剂一种对比颜色的染色剂，用来染制主染色剂染后显不出的显微术标本成分。

youdao

If we look forward to the end of the term, we'll read The Human Stain, which is about a man, Coleman Silk, who tries to and succeeds in passing as Jewish.

如果我们期待一下期末，我们将会读到《人性的污点》，写一个叫 Coleman Silk 的男人努力并成功地假装成犹太人。

youdao

At first he thought they might be some kind of stain, like maybe a fly landed on the lens of the satellite.

起初他以为这可能是一些污迹，比如一架降落在卫星镜头上的飞机。

youdao

If we look forward to the end of the term when we read The Human Stain, which is about a man, Coleman Silk, who tries to and succeeds in passing as Jewish.

展望一下期末，那时我们会读到《人性的污点》,写一个叫Coleman，Silk的人他尝试，并成功地以犹太人身份在社会生活。

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Probably as a period that carried a bit of a stain on the game, but little more.

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The result, after several days, was a sludgy brown stain at the bottom of the reaction vessel a stain that proved to contain amino acids.

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And the three fewer scholarships are awarded to those unlikely to get a single grass stain of playing time.

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