euphoria

n.

精神欢快；幸福感；欣快；

1. A drug that tends to produce euphoria.
   欣快剂有助于导致欣快的一种药剂
2. A feeling of excitement or euphoria.
   兴奋或兴高采烈的感觉
3. A preparation from the leaves and seed capsules of the cannabis plant, smoked, chewed, eaten, or infused and drunk to obtain mild euphoria.
   印度大麻从大麻植物的树叶和种囊中提取的一种制剂，通过吸烟、嚼咀、吞食或注射以得到适度精神快感

Quadrant of euphoria: a crowdsourcing platform for QoE assessment
Enkephalin may mediate euphoria and drive-reduction reward
Brain mechanisms of drug reward and euphoria.
Cocaine craving, euphoria, and self-administration: a preliminary study of the effect of catecholamine precursor depletion
Belluzzi JD, Stein L. Enkephaline may mediate euphoria and drive-reduction reward. Nature 266: 556-558
Electroencephalographic activity and plasma ACTH during ethanol-induced euphoria.
EEG alpha activity increases during transient episodes of ethanol-induced euphoria.
Amphetamine-induced dopamine release in human ventral striatum correlates with euphoria.
Antagonism by alpha methyltyrosine of the ethanol‐induced stimulation and euphoria in man
Identification and Quantification of Polyphenolic Compounds in Longan (Euphoria longana Lam.) Fruit