1.Inhaling vetiver scent improves alertness and brain function.

吸入岩兰草味可以提高警觉性和大脑功能。

2.However, participants largely agreed on bergamot and vetiver, so lower or higher concentrations may have been needed for these scents.

然而，在很大程度上同意佛手柑和根草，因此这些气味可能需要高的浓度。机翻

3.A 2016 study also concluded that " the stimulating effects of vetiver essential oil might be beneficial for learning and memory processes" and can be used as a stimulant to improve task performance.

2016年的一项研究得出结论，“岩兰草精油的刺激效果可能对学习和记忆过程有益”，并可作为一种刺激剂来提高任务表现。