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downy + noun
downy 作定语时直接放在名词前。
The nest is lined with downy feathers.
鸟巢里衬着柔软的绒毛。
绒毛般的；柔软的
downier — comparative of downy
先理解核心含义，再看它在真实句子里的用法。
绒毛般的；柔软的
like down or as soft as down
The nest is lined with downy feathers.
鸟巢里衬着柔软的绒毛。
有绒毛的；覆有柔软绒毛(如小羽毛或毛发)的。
Having down, covered with a soft fuzzy coating as of small feathers or hair.
The baby chick's downy feathers kept it warm in the nest.
小鸡绒毛般的羽毛使它在巢里保持温暖。
She wrapped herself in a downy blanket on the cold evening.
她在寒冷的夜晚裹着一条柔软的毛毯。
The peach skin felt downy to the touch.
桃子的皮摸起来有细软的绒毛。
downy 作定语时直接放在名词前。
The nest is lined with downy feathers.
鸟巢里衬着柔软的绒毛。
downy 作表语时，常与 feel、look 等系动词连用，描述触感或外观。
The baby's cheek felt downy.
婴儿的脸颊摸起来毛茸茸的。
downier 是 downy 的比较级，用于两者之间的比较。
This blanket is downier than that one.
这条毯子比那条更柔软。
Not this
The pillow is very down.
Use this
The pillow is very downy.
down 是名词或副词，不是形容词；表示“像绒毛一样柔软”时需要用形容词 downy。
Not this
She wore a downy coat to keep warm.
Use this
She wore a down coat to keep warm.
downy 意为“覆盖细软绒毛的”或“柔软如绒毛的”，并非“用羽绒填充的”；表示羽绒服这类用 down 填充的衣物时，要用名词 down 作定语。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
细软的汗毛；绒毛
Newborn babies often have downy hair on their shoulders and back.
新生儿肩膀和背部常有一层细软的汗毛。
绒羽；柔软的绒毛
The ducklings were covered with downy feathers.
小鸭子全身长满了绒羽。
毛茸茸的雏鸟
A downy chick followed its mother across the yard.
一只毛茸茸的小鸡跟着妈妈穿过院子。
有绒毛的桃子；毛桃
She wiped the downy peach before taking a bite.
她擦了擦带绒毛的桃子，然后咬了一口。
覆有细绒毛的叶子
The plant's downy leaves feel soft to the touch.
这种植物覆有细绒毛的叶子摸起来很柔软。
Use downier naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想down（羽绒）加-y：downy指像羽绒般柔软、或长满细绒毛的。
语域：neutral 常见场景：描写羽毛、绒毛或幼鸟、植物或果实表面的细毛、形容皮肤或织物的柔软 downy 是描述性形容词，通常用于书面或描述性语境，如描写羽毛、植物细毛或柔软质感；日常口语中较少用，但不算正式或生僻。
The rhyming words brownie, townie, and clowny share the /aʊni/ ending with downy. Beware that dowry and dowdy begin with the same /daʊ/ sound but end differently, and known shows that 'own' can also be pronounced /oʊn/.
Dictionary facts from ECDICT, WIKTIONARY.