http://www.pons.de/produkte/3-12-517841-X/(牛津大学出版社授权产品)
I. filter [美 ˈfɪltər, 英 ˈfɪltə] 名词
II. filter [美 ˈfɪltər, 英 ˈfɪltə] 动词 trans
III. filter [美 ˈfɪltər, 英 ˈfɪltə] 动词 不及物动词
1.1. filter (penetrate):
1.2. filter (move):
I. air [美 ɛr, 英 ɛː] 名词
1. air U:
2. air U 无线电, 电视:
3.1. air C (manner, look, atmosphere):
3.2. air <airs, pl > (affectations):
II. air [美 ɛr, 英 ɛː] 动词 trans
在《PONS词典》中的词汇
I. air [eəʳ, 美 er] 名词
2. air 无复数 (space overhead, sky):
4. air 无复数 电视, 无线电, 电影:
5. air 无复数 (aura, quality):
III. air [eəʳ, 美 er] 动词 trans
IV. air [eəʳ, 美 er] 动词 不及物动词
2. air (be exposed to air):
I. air [er] 名词
2. air (space overhead, sky):
4. air 电视, 无线电, 电影:
5. air (aura, quality):
III. air [er] 动词 trans
IV. air [er] 动词 不及物动词
2. air (be exposed to air):
| I | filter | 
|---|---|
| you | filter | 
| he/she/it | filters | 
| we | filter | 
| you | filter | 
| they | filter | 
| I | filtered | 
|---|---|
| you | filtered | 
| he/she/it | filtered | 
| we | filtered | 
| you | filtered | 
| they | filtered | 
| I | have | filtered | 
|---|---|---|
| you | have | filtered | 
| he/she/it | has | filtered | 
| we | have | filtered | 
| you | have | filtered | 
| they | have | filtered | 
| I | had | filtered | 
|---|---|---|
| you | had | filtered | 
| he/she/it | had | filtered | 
| we | had | filtered | 
| you | had | filtered | 
| they | had | filtered | 
无例句可用
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