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，可以收听真人发音 
小测验：选择正确的单词
- 论坛新贴
blackjack ['blækdʒæk]
基本释义
- n. [纸牌] 二十一点
n.革制大酒杯
词形变化
- 时 态：black·jacked, black·jack·ing, black·jacks
英英解释
4个名词解释
- a common scrubby deciduous tree of central and southeastern United States having dark bark and broad three-lobed (club-shaped) leaves; tends to form dense thickets
[同] jack oak, blackjack, blackjack oak, quercus marilandica - a piece of metal covered by leather with a flexible handle; used for hitting people
[同] cosh, blackjack, sap
show all ... (
4
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1个动词解释
- a common scrubby deciduous tree of central and southeastern United States having dark bark and broad three-lobed (club-shaped) leaves; tends to form dense thickets