许多次 的英文翻译

many a time

on many occasions

许多次 的中文句子和英文句子

懦夫一生要经过许多次死的痛苦。

Cowards die many times before their death.


他失败了许多次，但终于发现了有效的预防小儿麻痹症的疫苗。

He failed many times but he finally broke through to find a successful polio vaccine.