1
material + down
down 在此义项下为不可数名词，常与物质名词连用作定语。
This jacket is filled with goose down.
这件夹克填充了鹅绒。
羽绒；绒羽
先理解核心含义，再看它在真实句子里的用法。
羽绒；绒羽
Soft, fine feathers, especially those covering young birds, used to fill quilts, sleeping bags, and jackets.
This jacket is filled with goose down.
这件夹克填充了鹅绒。
负面方面；令人沮丧的事物,缺点。
A negative aspect; a downer, a downside.
幼鸟身上的柔软绒毛,用作羽绒被、睡袋和夹克的保温材料
Soft, fluffy immature feathers which grow on young birds. Used as insulating material in duvets, sleeping bags and jackets.
羽绒
soft fine feathers
令人沮丧的事物,抑制剂。
A downer, depressant.
The pillow is filled with goose down, making it very soft.
这个枕头填充了鹅绒，所以非常柔软。
AI contextual example
She prefers a down comforter because it is light and warm.
她更喜欢羽绒被，因为它又轻又暖和。
AI contextual example
Many sleeping bags are insulated with synthetic down for outdoor use.
许多睡袋使用合成绒进行保温，适合户外使用。
AI contextual example
you have four downs to gain ten yards
你有四档进攻机会来推进十码。
WordNet
down 在此义项下为不可数名词，常与物质名词连用作定语。
This jacket is filled with goose down.
这件夹克填充了鹅绒。
down 在此义项下为可数名词，常与序数词连用表示橄榄球比赛的档数。
The team needs a first down to keep the drive alive.
球队需要一次首攻来保持攻势。
Choose the next layer that will help you use Down with more confidence.
Missing: Antonyms
Complete this area with antonyms.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
鹅绒
This sleeping bag is filled with goose down.
这个睡袋填充的是鹅绒。
羽绒服；羽绒夹克
She wore a down jacket in the cold weather.
她在寒冷的天气里穿了一件羽绒服。
羽绒被
I bought a down comforter for the winter.
我买了一条羽绒被过冬。
起起落落；兴衰
Every relationship has its ups and downs.
每段关系都有起起落落。
（橄榄球的）首次进攻；一档
The quarterback completed a pass for a first down.
四分卫完成了一次传球，取得了首攻。
起起落落；沉浮（生活中的興衰和順境逆境）
They have had their ups and downs, but their marriage is still strong.
他们的婚姻经历过起起落落，但依然牢固。
情绪低落的；闷闷不乐的
He's been down in the dumps since he lost his job.
自从失业以来，他一直闷闷不乐。
脚踏实地的；务实的
She's a down-to-earth person who doesn't like fancy things.
她是个脚踏实地的人，不喜欢花哨的东西。
Use Down naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想冬天把羽绒被往下一盖，贴身暖和的绒毛就是 down。
语域：neutral 常见场景：clothing、bedding、outdoor equipment 作名词表示“羽绒”时，通常用于中性语境，多出现在服装、寝具或户外装备的描述中，口语和书面语都较常见。
以上单词均与 down 押韵，读作 /aʊn/。注意以 -own 结尾的形近词 known、shown、grown 等读 /oʊn/，不与 down 押韵。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.