eighteenth
adj. 第十八的,第十八个的;十八分之一的
num. 第十八;十八分之一
复数 eighteenths
例句
She was going to talk with slides about our town amid eighteenth century.
她要用幻灯片讲我们镇子十八世纪的事。
The siege is now in its eighteenth day.
围困现在是第18天了。
《柯林斯英汉双解大词典》
We got engaged on my eighteenth birthday.
我们在我18岁生日那天订婚了。