10th 第十 Today is the tenth (of May). 今天是五月十日。 the tenth century BC 公元前十世纪 It's her tenth birthday. 今天是她十岁生日。 My office is on the tenth floor. 我的办公室在十楼。 It's the tenth time that I've been to America. 这是我第十次去美国了。 The artist had just sold another painting, her tenth. 这位艺术家刚刚卖掉了另一幅画,她的第十幅。 the world’s tenth-largest oil exporter 世界第十大石油出口国 He finished tenth in the race. 他最后跑了第十名。 Louis X (= Louis the Tenth) 路易十世