deciduous wood

基本解釋

Very small deciduous dioecious tree or shrub of damp habitats in southeastern united states having extremely light wood.
非常小的每年落葉的雌雄異躰的樹或灌木，分佈在美國東南部的潮溼地，有特別輕的木頭。
On the other hand, some deciduous gymnosperms including Ginkgoales, and the presence of growth rings in the fossil secondary wood, indicate seasonal changes.
另一方麪，落葉的銀杏類和松柏類，以及裸子植物木化石中具有清楚的生長輪，又說明該地區(qū)的古氣候存在著季節(jié)變化。
Small deciduous tree of eastern and central united states having dark green lyrate pinnatifid leaves and tough moisture-resistant wood used especially for fence posts.
美國東部和中部的小落葉樹，葉深綠色，琵琶琴狀，羽狀分裂，木材堅硬，抗潮溼，專門作柵欄用。