释义 |
thir.ti.ethH5WV:7ti7EW, $5WV:r7ti-determiner, pronoun, adj, adv[not gradable], n第三十的; 第三十(个)Sarah's having a party to celebrate her thirtieth birthday.撒拉将举行庆祝她三十岁生日的聚会。The last day in September is the thirtieth.九月的最后一天是三十日。Oh dear, you mean you were/came thirtieth out of thirty.天哪,你的意思是说你是三十个人中的第三十名。A thirtieth is one of thirty equal parts of something.三十分之一
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