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industrious▼(hard-working and persistent)adjective[UK: ɪn.ˈdʌ.strɪəs] [US: ˌɪn.ˈdə.striəs]
laborious▼(requiring much physical effort)adjective[UK: lə.ˈbɔː.rɪəs] [US: lə.ˈbɔː.riəs]
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