| 释义 |
| | | | NOUN | | | | | 1 | permission to take part in a sports competition that you would not normally be allowed to play in 外卡（正常情况下不能参赛的球队或选手获得的参赛许可） | | 1a | a player who has this permission 持外卡的选手（或球队） | | | | | | 2 | computing a sign or symbol used for representing any letter or number . The most common wild card is the asterisk (*). 通配符（表示任何字母或数字的符号。最常见的通配符是星号） | | | | 3 | someone who might behave in an unexpected way 无法预料的人；不按常规行事的人 | | |