11th 十一 Today is the eleventh (of May). 今天是十一(五月)。 the eleventh century BC 公元前11世纪 It's her eleventh birthday. 今天是她十一岁生日。 My office is on the eleventh floor. 我的办公室在十一楼。 It's the eleventh time that I've been to America. 这是我第十一次去美国。 The artist had just sold another painting, her eleventh. 这位艺术家刚刚卖了另一幅画,她的第十一幅。 the world’s eleventh-largest oil exporter 世界第十一大石油出口国 He finished eleventh in the race. 他赛跑得了第十一名。 Louis XI (= Louis the Eleventh) 路易十一
Idioms
at the eleventh hour
at the last possible moment; just in time 在最后时刻;刚好来得及