 |
二盖一
| 争叫
| 二盖一 | |
| bridge. | two over one |
| 1NT 争叫 | |
| bridge. | one notrump overcall |
| 2NT 争叫 | |
| bridge. | two notrump overcall |
| 3NT 争叫 | |
| bridge. | three notrump overcall |
| 4NT 争叫 | |
| bridge. | four notrump overcall |
| |||
| two over one | |||
| 二盖一: 3 phrases in 1 subject |
| General | 3 |
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