eighteenth是什么意思音标:英 [ˌeɪ'ti:nθ]美 [eˈtinθ]

num. 第十八, 十八分之一

n. position 18 in a countable series of things
s. coming next after the seventeenth in position

eighteenth的用法和例句：

1.But when her eighteenth came, she said the words, just pke you.

但是当她十八岁的时候 她和你一样响应了召唤