词典上无nineth这个单词,是ninth的常见错误写法。ninth [nainθ] num.第九n.九分之一 参考例句She had an apartment on the ninth floor.她在九层楼上有一套房子.The score stood tied in the Bottom of the ninth inning.在第九回合下半局比分持平He hit a home run in the bottom of the ninth inning.他在九局下半击出一支全垒打.He took the ninth position in his class of forty.他在40个人的班级里排第九名.He is the ninth in his class.他在班里排名第九.The ninth in a set or sequence.第九个在一个集合或序列中的第九个The ninth letter of the Greek alphabet.阿尔塔希腊字母表中的第九个字母two down in the last of the ninth.在第九局下半二人出局