1680s, from Latin deciduus "that which falls off," from decidere "to fall off," from de- "down" (see de-) + cadere "to fall" (see case (n.1)). Originally with reference to leaves, petals, teeth, etc.; specific sense of "trees whose leaves fall off" (opposed to evergreen) is from 1778.
雙語例句
1. Overgrown deciduous shrubs can be cut back at this time of year.
過於繁茂的落葉灌木可以在每年的這個時候修剪.
來自《簡明英漢詞典》
2. Deciduous trees shed their leaves in autumn.
落葉樹木在秋天落葉.
來自《簡明英漢詞典》
3. Fusions were common between strains from deciduous hosts or coniferous hosts.
來自闊葉樹或針葉樹寄生的菌係間融合是普遍的.
來自辭典例句
4. Regional ecosystem types, such as grass land, desert, and deciduous forest, are called biomes.
地區的生態係統, 例如草原 、 荒漠和落葉林又被稱為生物帶.
來自辭典例句
5. Rose, a red rose for the deciduous shrub rose family.