http://www.pons.de/produkte/3-12-517841-X/(牛津大学出版社授权产品)
knocking1 [美 ˈnɑkɪŋ, 英 ˈnɒkɪŋ] 名词
1. knocking (noise):
2. knocking U MOTOR:
knocking2 形 俗
I. knock [美 nɑk, 英 nɒk] 名词
1. knock:
3.1. knock 俗 (setback):
II. knock [美 nɑk, 英 nɒk] 动词 trans
1. knock (strike, push):
III. knock [美 nɑk, 英 nɒk] 动词 不及物动词
I. copy <pl copies> [美 ˈkɑpi, 英 ˈkɒpi] 名词
1.2. copy C (of document):
2. copy C (of newspaper, book):
3.1. copy U (text):
3.2. copy U (unprinted matter):
II. copy <copies, copying, copied> [美 ˈkɑpi, 英 ˈkɒpi] 动词 trans
1.2. copy (photocopy):
-  copy letter/memo
-  
2. copy (transcribe):
III. copy <copies, copying, copied> [美 ˈkɑpi, 英 ˈkɒpi] 动词 不及物动词
在《PONS词典》中的词汇
knocking copy 名词 无复数 经济
I. knock [nɒk, 美 nɑ:k] 名词
II. knock [nɒk, 美 nɑ:k] 动词 不及物动词
I. copy [ˈkɒpi, 美 ˈkɑ:pi] -ies -ie- 名词
1. copy (facsimile) of a book:
2. copy 计算机:
II. copy [ˈkɒpi, 美 ˈkɑ:pi] -ies -ie- 动词 trans
I. knock [nak] 名词
II. knock [nak] 动词 不及物动词
I. copy <-ies> [ˈkap·i] 名词
1. copy (facsimile) of a book:
| I | knock | 
|---|---|
| you | knock | 
| he/she/it | knocks | 
| we | knock | 
| you | knock | 
| they | knock | 
| I | knocked | 
|---|---|
| you | knocked | 
| he/she/it | knocked | 
| we | knocked | 
| you | knocked | 
| they | knocked | 
| I | have | knocked | 
|---|---|---|
| you | have | knocked | 
| he/she/it | has | knocked | 
| we | have | knocked | 
| you | have | knocked | 
| they | have | knocked | 
| I | had | knocked | 
|---|---|---|
| you | had | knocked | 
| he/she/it | had | knocked | 
| we | had | knocked | 
| you | had | knocked | 
| they | had | knocked | 
无例句可用
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