eighteenth
/ˌeɪˈtiːnθ/📚 8293 15 4The eighteenth item in a series is the one that you count as number eighteen. 第18
adjective [原级]第十八的，第十八个的；十八分之一的
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。
numeral [序数词]第十八；十八分之一
The siege is now in its eighteenth day. 围困现在是第18天了。
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