セロトニン
serotonin
1. serotonin
Noun
#36541
1. serotonin
1. Is not serotonin.
1. Not serotonin.
1. Serotonin; Of serotonin
1. Serotonin, probably.; It's likely serotonin.
1. Was serotonin.
1. It's not serotonin.
1. Serotonin.; It is serotonin.
1. Wasn't serotonin.
1. Was not serotonin.