单词
deciduous
英 [d?'s?dj??s]
美[d?'s?d?u?s]
基本信息
- adj. 落叶性的，脱落性的；非永久性的
GRETOEFL畅通词汇
中文词源
deciduous 落叶的
de-, 向下。-cid, 掉落，词源同case, accident. 即掉落的。
英文词源
- deciduous
- 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.
双语例句
- 1. Overgrown deciduous shrubs can be cut back at this time of year.
- 过于繁茂的落叶灌木可以在每年的这个时候修剪.
来自《简明英汉词典》
- 2. Deciduous trees shed their leaves in autumn.
- 落叶树木在秋天落叶.
来自《简明英汉词典》
- 3. Fusions were common between strains from deciduous hosts or coniferous hosts.
- 来自阔叶树或针叶树寄生的菌系间融合是普遍的.
来自辞典例句
- 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.
来自辞典例句
- 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.
来自互联网
deciduous相关单词