arduous
英 ['ɑ?dj??s]
美['ɑrd?u?s]
- adj. 努力的；費(fèi)力的；險(xiǎn)峻的
考試真題
- Travel was arduous and costly throughout the period, possible only for a privileged class—the same that produced gentlemen scientists, authors, antique experts, and patrons of the arts.
出自-2017年6月閱讀原文