arduous
英 ['ɑːdjʊəs]
美['ɑrdʒuəs]
- adj. 努力的；费力的；险峻的
考试真题
- 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月阅读原文