The smell-threshold reduction was “preclinical,” he explains, meaning the children wouldn’t notice the change but it could be picked up with testing.

嗅觉阈值减少是有潜伏期的，他解释道，这意味着孩子们没有感觉到什么变化，但在测试结果中会显示异常。

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The smell-threshold reduction was “preclinical,” he explains, meaning the children wouldn't notice the change but it could be picked up with testing.

嗅觉阈值减少是有潜伏期的，他解释道，这意味着孩子们没有感觉到什么变化，但在测试结果中会显示异常。

youdao

By age 60, about half of people will experience a reduction in their ability to smell, and by age 80, about three-fourths will, Dr. Hirsch says.

WSJ: How to Sharpen Your Sense of Smell

Many tax patents are likely to be in the realm of clever tax reduction strategies that may look, smell and feel like tax shelters.

FORBES: Will Tax Strategy Patents Be Outlawed?