de-, 向下。-cid, 掉落，词源同case, accident. 即掉落的。
- deciduous: see decay
- deciduous (adj.)
- 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.
- 1. Overgrown deciduous shrubs can be cut back at this time of year.
- 2. Deciduous trees shed their leaves in autumn.
- 3. Fusions were common between strains from deciduous hosts or coniferous hosts.
- 4. Regional ecosystem types, such as grass land, desert, and deciduous forest, are called biomes.
- 地区的生态系统, 例如草原 、 荒漠和落叶林又被称为生物带.
- 5. Rose, a red rose for the deciduous shrub rose family.
- 玫瑰, 红的玫瑰为落叶灌木蔷薇科.
[ deciduous 造句 ]