serotonin
/ˌsɛɹəˈtəʊnɪn/
A chemical that affects mood and feelings.
“Serotonin levels increased after the fun afternoon hike.”
新增到 My Deck
/ˌsɛɹəˈtəʊnɪn/
A chemical that affects mood and feelings.
“Serotonin levels increased after the fun afternoon hike.”
新增到 My Deck