The twentieth item in a series is the one that you count as number twenty.
例句
...the twentieth century.20 世纪
FRACTION
二十分之一
A twentieth is one of twenty equal parts of something.
例句
A few twentieths of a gram can be critical.即使重量仅有1克的二十分之几都可能是关键性的。
英汉词典释义
n.
第二十个
Tomorrow is her twentieth birthday.明天是她二十岁生日。The space age dawned in the twentieth century.太空时代开始于二十世纪。Camus is considered to be one of the twentieth century’s literary giants.加缪被视为20 世纪的文学巨匠之一。Perseverance is failing nineteen times and succeeding the twentieth.十九次失败,直到第二十次才获成功,这就是坚持。