deciduous
adjective biology specialized uk/dɪˈsɪdʒ.u.əs/ us/dɪˈsɪdʒ.u.əs/
（树木）落叶的
A deciduous tree loses its leaves in autumn and grows new ones in the spring.
Compare: evergreen adjective
（身体组织）脱落的
relating to body parts that fall out or fall off and are replaced by new ones, for example a child's or young animal's first teeth