challenging
[ˈʧælɪndʒɪŋ]adjective
1. | [task, job] estimulante, que supone un reto |
2. | [look, tone of voice] desafiante |
1. | [task, job] estimulante, que supone un reto |
2. | [look, tone of voice] desafiante |
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How many animals live in the zoo?