The adjective 'arduous' describes something that is difficult, requiring great effort, or steep.
形容词 'arduous' 形容费力的、努力的或显峻的。
| 单词 | arduous |
|---|---|
| 发音 | ['ɑːdjʊəs] |
| 释义 | adj. 费力的；努力的；险峻的 |
| 词序 | 12805 |
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