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。
每年落叶的
(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
(of plants and shrubs) shedding leaves at the end of the growing season
Describing a part that falls off, or is shed, at a particular time or stage of development.
(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
Of or pertaining to trees which lose their leaves in winter or the dry season.
(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
Transitory, ephemeral, not lasting.
Many deciduous trees lose their leaves in autumn.
许多落叶树在秋天落叶。
用法提示：deciduous 作形容词修饰 trees，表示每年落叶的。
AI contextual example
The forest is home to both deciduous and evergreen species.
这片森林既有落叶树种，也有常绿树种。
用法提示：deciduous 作形容词放在名词前，说明这类树每年落叶。
AI contextual example
This deciduous shrub turns bright red before shedding its leaves.
这种落叶灌木在落叶前会变成鲜红色。
用法提示：句中 deciduous 修饰 shrub，表达“每年落叶的”这一特征。
AI contextual example
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 作表语，说明主语是每年落叶的。
Some trees are deciduous, while others are evergreen.
有些树是落叶的，而另一些是常绿的。
较通俗，常用于日常或科普语境；多作定语，如 leaf-shedding trees；不能用于医学上的“脱落的”义。
强调与常绿植物相对，多用于植物分类或对比语境；语义比 deciduous 略宽泛，部分半常绿植物也可称为 non-evergreen，替换时需注意。
grammar · medium
易错句子Many trees deciduous in autumn.
正确表达Many trees are deciduous in autumn.
英语中形容词作表语时必须使用系动词 be，而中文形容词可直接作谓语，因此学习者容易漏掉 be 动词。此处应加 are 构成主系表结构。
grammar · medium
易错句子Pine trees are deciduous.
正确表达Pine trees are evergreen.
deciduous 意为“每年落叶的”，而松树是常绿树，不会在秋天落叶。这是混淆了 deciduous 与 evergreen 的词义区别。表达“常绿的”应用 evergreen。
指树木或灌木在整个生长季节保留叶子的，与'deciduous'（每年落叶的）相对。
deciduous 指每年秋冬落叶；evergreen 指全年保持绿叶。选择时看树叶是否季节性脱落，而不是看是否长寿。
deciduous 描述叶子在生长季结束时脱落；perennial 描述植物能存活多年，与是否落叶无关。
deciduous 指植物自然规律性地落叶；defoliated 指因病害、虫害或化学品等外力而失去叶子。选择时看落叶是自然周期还是外力造成。
落叶树
Most deciduous trees lose their leaves in autumn.
大多数落叶树在秋天落叶。
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。
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。
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。
de- (away) + cid (fall) + -ous (adjective suffix)
ac- (to, ad- before c) + cid (fall) + -ent (noun suffix)
co- (together) + in- (in/on) + cid (fall) + -e (verb suffix)
Dictionary facts from ECDICT, WIKTIONARY.