phy·to·hor·mone /-ˈhɔrˌmon/ 植物性荷爾蒙
phy·to·hor·mone /ˈfaɪtəˈhɔrˌmon/ 名詞 植物激素
phytohormone n : (botany) a hormone-like plant product [syn: plant hormone, growth regulator]