Pharmacologically, alcohol is an anesthetic, not a stimulant.

从药理学上讲酒精是麻醉剂，而不是兴奋剂。

youdao

It is not a stimulant and does not appear to have potential for abuse.

它不是一个兴奋剂，并没有出现有可能被滥用。

youdao

And the Yemeni habit of chewing a leaf called qat, a mild stimulant not conducive to clear thinking or dynamism, is almost as pervasive as ever.

也门人习惯咀嚼一种叫跨特的树叶，这种树叶是温和的兴奋剂，对清晰的思考和力本说没有助益，这个习惯几乎和以往一样普遍。

youdao

Since Sparlon is not a stimulant, like these drugs, it might be viewed as safer and be spared the warnings recommended by the FDA panel.

FORBES: Magazine Article

It is not technically a stimulant and may not raise the same concerns that are tarring the traditional treatments for ADHD.

FORBES: Magazine Article

Not only does prison, for the vast majority of those who endure it, not work, either as punishment or as rehabilitation, but there is no escaping the conclusion that it functions as a stimulant to crime, rather than its bromide.

BBC: A Point of View: Prisons don't work