Blackjack
n. 闪锌矿；扑克牌的二十一点；包革金属棍棒
✅ 同义词
📖 牛津释义
blackjack
n
1 [C] (esp US) type of stick or club used as a weapon, esp a leather-covered metal pipe held by a strap or flexible handle （用作武器的）棍子或棒子（尤指包著皮革的金属管, 有皮带或弹性手柄）.
2 [U] = pontoon2.
🗣️ 情景例句
My wife Marilyn, my father and mother,
我太太Marilyn， 我父亲和母亲，
He reads a book every day.
他每天都读一本书。
What are you doing?
你在干什么？