num.十八
n.十八岁，十八的记号，十九世纪，十八点钟

原形：eighteen复数：eighteens

He has eighteen books.
他有十八本书。
Eric was a kid really, not more than eighteen or nineteen.
埃里克实际上还是个孩子，最多不过十八九岁。
I have eighteen apples in my basket.
我篮子里有十八个苹果。
There are eighteen students in our class.
我们班有十八名学生。
She scored eighteen goals in the soccer tournament.
她在足球比赛中进了十八球。
The book costs eighteen dollars at the bookstore.
这本书在书店卖十八美元。
He was born on the eighteenth of February.
他出生于二月十八日。
They completed the project in eighteen hours.
他们用了十八个小时完成了项目。
She has been driving for eighteen years.
她已经开车十八年了。
The movie is rated 'R' for eighteen and over.
这部电影适合十八岁以上观众观看。
We have eighteen days left for vacation.
我们还有十八天假期。
The address is 18 Main Street.
地址是主街18号。
They won the game by an eighteen-point margin.
他们以十八分的优势赢得了比赛。
The card says 'Happy Birthday to you, eighteen times!' (卡片上写着"祝你生日快乐，十八遍！"
The bus departs every eighteen minutes.
公交车每十八分钟发一班。
She has eighteen siblings in her family.
她家里有十八个兄弟姐妹。
The marathon distance is 26.2 miles, or approximately eighteen miles plus some extra.
马拉松的距离是26.2英里，大约相当于十八英里多一点。
The lottery number was eighteen, and it was a winner! (彩票号码是18，中奖了！
The package weighs eighteen kilograms.
这个包裹重十八公斤。
They had eighteen different ideas for the party theme.
他们对聚会主题有十八种不同的想法。