名词
中文翻译：气味延长
同义词：
['odor extension', 'odor retention']
例句：
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1. The scent of the perfume hasbeen prolonging for hours.
香水的气味已经持续了几个小时。
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2. The food'saroma was so strong that it prolongs the dining experience.
食物的香味如此强烈，以至于延长了用餐体验。
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3. Thescientist noticed that the odor could prolong the memory of the event.
科学家注意到，气味可以延长对事件的记忆。