arduous
/ˈɑːdjʊəs/adjective
- involving or requiring strenuous effort; difficult and tiring艰巨的;困难的;累人的：
an arduous journey.
艰难的旅程.
派生词
arduously
adverbarduousness
noun词源
mid 16th cent.: from Latin arduus 'steep， difficult' + -OUS.
| 单词 | arduous |
| 释义 | arduous/ˈɑːdjʊəs/adjective
派生词 arduouslyadverbarduousnessnoun词源 mid 16th cent.: from Latin arduus 'steep， difficult' + -OUS. |
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