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(yǔ)例句
1. Overgrown deciduous shrubs can be cut back at this time of year.
過(guò)于繁茂的落葉灌木可以在每年的這個(gè)時(shí)候修剪.
來(lái)自《簡(jiǎn)明英漢詞典》
2. Deciduous trees shed their leaves in autumn.
落葉樹(shù)木在秋天落葉.
來(lái)自《簡(jiǎn)明英漢詞典》
3. Fusions were common between strains from deciduous hosts or coniferous hosts.
來(lái)自闊葉樹(shù)或針葉樹(shù)寄生的菌系間融合是普遍的.
來(lái)自辭典例句
4. Regional ecosystem types, such as grass land, desert, and deciduous forest, are called biomes.