Wild card
n. 未知数; 外卡; 通配符
📖 牛津释义
wild card
(in card-games) playing-card that has been given the value of certain other cards （纸牌戏中的）百搭牌.
🧩 词语组成解析
wild
[waɪld]
adj. 野生的;野蛮的;狂热的;荒凉的;
n. 荒野;未开化的地方;偏远地区;人烟稀少的地区;
adv. 疯狂地;胡乱地;
card
[kɑrd]
n. 卡片;纸牌;明信片;信用卡;
vt. 记于卡片上;
🗣️ 情景例句
There is still a week to go before the vacation begins.
现在距离假期还有一星期。
Paddle your own canoe.
自立更生，自食其力。
Some people have compared books to friends.
有些人把书比作朋友。