For example, studies show that even brief periods of odorant stimulation produce transient reductions in receptors in the olfactory epithelium, a process termed "receptor fatigue".

例如，研究表明，即使是短暂的气味刺激也会导致嗅觉上皮细胞中受体短暂的减少，这个过程被称为“受体疲劳”。

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In some cases, the researchers found that a single odorant triggers several receptors while in other cases receptors are specifically tuned to unique compounds.

研究者们发现在某些情况下一种气味可能触发数种感受器，而在另外的情况下，感受器只对特定的气味起反应。

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As a result, the surface of the egg is covered with the mosquito odorant receptors.

结果青蛙卵的表面被布满了蚊子的嗅觉感受器。

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