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
1. But when her eighteenth came, she said the words, just like you.
但是当她十八岁的时候 她和你一样响应了召唤
以上参考资料就是本英汉词典详细汇总的单词eighteenth的翻译英语含义，如有错漏请向我们提供反馈意见。