deciduous

形容词

1. 1

   落叶的

   Most deciduous trees lose their leaves by late November.

   大多数落叶树在十一月底前就会掉光叶子。

2. 2

   脱落性的、乳齿的生物或医学

   A child's deciduous teeth are gradually replaced by permanent ones.

   儿童的乳齿会逐渐被恒齿取代。