| 单词 | arduous |
| 释义 | arduous arduous /ˈɑː.dju.əs/ aep /ˈɑːr.dʒu-/ adjective ► F0 difficult, needing a lot of effort and energy: » an arduous climb/task/journeyThesaurus+: ↑Complicated and difficult to do , ↑Difficult to understandarduously /-li/ adverb Thesaurus+: ↑Complicated and difficult to do , ↑Difficult to understandarduousness /-nəs/ noun [U] Thesaurus+: ↑Complicated and difficult to do , ↑Difficult to understand |
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