The eleventh item in a series is the one that you count as number eleven.
例句
We were working on the eleventh floor.我们在11层办公。
英汉词典释义
num.
第十一
an eleventh-hour decision最后一刻作的决定He arrived there at the eleventh hour.他刚好到达那里。The antique is assigned to the eleventh Century.这种古玩被认为是11世纪的遗物。
最后关头;最后一刻
Our pianist had fallen ill, and then, at the eleventh hour, when we thought we’d have to cancel the performance, Jill offered to replace him.我们的钢琴演奏者病倒了,在最后关头,当我们以为不得不取消表演时, 吉尔表示愿意代替他演出。
英英词典释义
Noun
1. position 11 in a countable series of things
Adjective
1. coming next after the tenth and just before the twelfth in position