英文英文字典
英文英文字典
古腾堡计划中的在线英语-英语词典
结果
Arduous的结果
Arduous
(a.)
Steep and lofty, in a literal sense; hard to climb.
Arduous
(a.)
Attended with great labor, like the ascending of
acclivities; difficult; laborious; as, an arduous employment, task, or
enterprise.