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1. 痛苦：playing member 参加比赛的队员 | painfulness 痛苦 | staff catching apparatus 路签接受机
2. 痛/痛苦/可怜：painfully /痛苦地/苦恼地/费力地/ | painfulness /痛/痛苦/可怜/ | painite /硅硼钙铝石/
painfulness的翻译
noun
1. the quality of being painful
e.g. she feared the painfulness of childbirth
Synonym: distressingness
2. emotional distress
a fundamental feeling that people try to avoid
e.g. the pain of loneliness
Synonym: pain