twenty
one
1
二十一
the number 21; the number of days in three weeks
- She will turn twenty-one next month and is excited to celebrate her birthday with friends.
她下个月就二十一岁了，很兴奋能和朋友们一起庆祝她的生日。
- The legal drinking age in the United States is twenty-one, allowing young adults to enjoy alcoholic beverages.
美国的法定饮酒年龄是二十一岁，允许年轻人享用酒精饮料。
- Twenty-one students participated in the science fair, showcasing their innovative projects.
二十一名学生参加了科学展览，展示了他们的创新项目。
- In the game of blackjack, the goal is to get as close to twenty-one as possible without going over.
在二十一点游戏中，目标是尽可能接近二十一而不超过。
- He graduated from college at the age of twenty-one, ready to start his career.
他二十一岁大学毕业，准备开始他的职业生涯。
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