在《PONS词典》中的词汇
I. concentrate [ˈkɒnsəntreıt] 动词 trans, 不及物动词
2. concentrate:
II. concentrate [ˈkɒnsəntreıt] 名词
| I | concentrate | |
|---|---|---|
| you | concentrate | |
| he/she/it | concentrates | |
| we | concentrate | |
| you | concentrate | |
| they | concentrate |
| I | concentrated | |
|---|---|---|
| you | concentrated | |
| he/she/it | concentrated | |
| we | concentrated | |
| you | concentrated | |
| they | concentrated |
| I | have | concentrated | |
|---|---|---|---|
| you | have | concentrated | |
| he/she/it | has | concentrated | |
| we | have | concentrated | |
| you | have | concentrated | |
| they | have | concentrated |
| I | had | concentrated | |
|---|---|---|---|
| you | had | concentrated | |
| he/she/it | had | concentrated | |
| we | had | concentrated | |
| you | had | concentrated | |
| they | had | concentrated |