wild-card
US /ˈwaɪld ˌkɑːrd/
UK /ˈwaɪld ˌkɑːrd/
名词
1.
通配符
a playing card that does not have any particular value but that can be used to represent any other card:
示例:
•
The joker is a wild card that substitutes for any other card to complete a winning hand.
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