三十的序数词用英文怎么说
时间：
"thirtieth"是三十的序数词。
"thirtieth"来自英语单词"thirty"和后缀"-ieth"。"thirty"表示数字30，而"-ieth"是用来表示序数词的后缀。
例句：
"I will see you on the thirtieth." (我会在三十号见你)
"Today is the thirtieth of January." (今天是一月三十日)
"The thirtieth anniversary of their marriage was celebrated with a big party." (他们结婚三十周年庆祝派对)
"thirtieth"来自英语单词"thirty"和后缀"-ieth"。"thirty"表示数字30，而"-ieth"是用来表示序数词的后缀。
例句：
"I will see you on the thirtieth." (我会在三十号见你)
"Today is the thirtieth of January." (今天是一月三十日)
"The thirtieth anniversary of their marriage was celebrated with a big party." (他们结婚三十周年庆祝派对)