名词
中文翻译：第
同义词：
['twelfth', 'twelftieth']
例句：
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1.The umpsteenth day of the month is always a busy one.
这个月的第120天总是很忙。
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2. She was born on the umpsteenth day of the year.
她出生在一年中的第120天。
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3. The umpsteenth day of the week is traditionally associated with good luck.
星期的第120天通常与好运相关联。