brown stain

常见例句

双语例句

• She stared at the brown stain that splotched the front of her dress.
  海茨帕因痛苦而目瞪口呆，瞅着她衣服前的污点。
• A reddish-brown crystalline compound, C16H12O6, used as an indicator and a biological stain.
  氧化苏木精一种红褐色的晶体化合物，c16h12o6，用作。
• This paper deeply studied formula for making seasoned bamboo shoot and its process techniques, and proposed new solution of some questions, such as brown stain, colourfading and tyrosine separation.
  对竹笋调味笋的各种配方和加工工艺作了深入研究，并对竹笋加工中存在的褐变、褪色、酪氨酸析出等问题提出了新的解决方案。

权威例句

• 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.
  ECONOMIST: Stanley Miller
• The shavings were then immunostained—bathed in a special reagent that would mark the presence of abnormal proteins with a bright, telltale red or brown stain on the surface of the tissue.
  NEWYORKER: Offensive Play
• Officials tried to stain the marbles brown again, put up a railing (which still survives) to keep the public at a decent distance, and held an internal inquiry designed to place blame on lowly members of staff with drinking problems.
  ECONOMIST: Scraping the marbles
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