ar·du·ous·ly
adverb/ˈɑːdʒuəsli/
/ˈɑːrdʒuəsli/
- in a way that involves a lot of effort and energy, especially over a period of time
艰苦的；艰难的 - They searched arduously for clues.
他们费尽心思寻找线索。
- They searched arduously for clues.
| 单词 | arduously |
| 释义 | ar·du·ous·lyadverb/ˈɑːdʒuəsli/ /ˈɑːrdʒuəsli/
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