Word · Frequency #22493
deciduous
每年落叶的
核心释义
(of plants and shrubs) shedding leaves at the end of the growing season
- 1.
Describing a part that falls off, or is shed, at a particular time or stage of development.
- 2.
(指植物和灌木)在生长季结束时落叶的
(of plants and shrubs) shedding foliage at the end of the growing season
- 3.
Of or pertaining to trees which lose their leaves in winter or the dry season.
- 4.
(指牙齿、鹿角等)在生长期结束时脱落的
(of teeth, antlers, etc.) being shed at the end of a period of growth
- 5.
Transitory, ephemeral, not lasting.
(指植物和灌木)在生长季结束时落叶的；(指牙齿、鹿角等)在生长期结束时脱落的；非永久性的；[医] 脱落的
用法In use
Many deciduous trees lose their leaves in autumn.
用法提示：deciduous 作形容词修饰 trees，表示每年落叶的。
The forest is home to both deciduous and evergreen species.
用法提示：deciduous 作形容词放在名词前，说明这类树每年落叶。
This deciduous shrub turns bright red before shedding its leaves.
用法提示：句中 deciduous 修饰 shrub，表达“每年落叶的”这一特征。
deciduous teeth
deciduous + noun
deciduous 作定语，直接修饰名词，如 trees、forests。
Deciduous forests are home to many animals.
落叶林是许多动物的家园。
be deciduous
be deciduous 作表语，说明主语是每年落叶的。
相关词与表达Connections
搭配Collocations
- deciduous trees
- 落叶树
- Most deciduous trees lose their leaves in autumn.大多数落叶树在秋天落叶。
- deciduous forest
- 落叶林
- Deciduous forests are home to many birds and insects.落叶林是许多鸟类和昆虫的栖息地。
- deciduous shrub
- 落叶灌木
- This deciduous shrub turns bright red in the fall.这种落叶灌木在秋天变成鲜红色。
- deciduous teeth
- 乳牙
- A child's deciduous teeth usually begin to fall out at age six.孩子的乳牙通常在六岁左右开始脱落。
近义词
学习提示Learner notes
记忆技巧Memory Tip
谐音记法：‘地湿’——秋天落叶铺满地，雨后湿漉漉，这就是 deciduous‘每年落叶的’。
语境与语域Context & Register
语域：formal 常见场景：植物学、园艺 多用于植物学、生物学等学术或书面语境，日常口语中较少出现；口语中更常说 shed leaves。
发音与拼写Pronunciation & Spelling
只有 assiduous /əˈsɪdʒuəs/ 与 deciduous 押韵：二者都以 /ˈsɪdʒuəs/ 结尾。其余 -uous 拼写看似相近，但重读元音或后续辅音不同，如 continuous /kənˈtɪnjuəs/、arduous /ˈɑːrdʒuəs/、strenuous /ˈstrenjuəs/、conspicuous /kənˈspɪkjuəs/、innocuous /ɪˈnɑːkjuəs/。
Dictionary facts from ECDICT, WIKTIONARY.