柯林斯词典deciduous /dɪˈsɪdjʊəs/ 1. ADJ A deciduous tree or bush is one that loses its leaves in the fall every year. (树或灌木每年)落叶的[usu ADJ n] 返回 deciduous剑桥词典A deciduous tree loses its leaves in autumn and grows new ones in the spring . （树木）落叶的 比较evergreen adjective 返回 deciduous